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< ? php
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/**
* WordPress User API
*
* @ package WordPress
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* @ subpackage Users
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*/
/**
* Authenticate user with remember capability .
*
* The credentials is an array that has 'user_login' , 'user_password' , and
* 'remember' indices . If the credentials is not given , then the log in form
* will be assumed and used if set .
*
* The various authentication cookies will be set by this function and will be
* set for a longer period depending on if the 'remember' credential is set to
* true .
*
* @ since 2.5 . 0
*
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* @ global string $auth_secure_cookie
*
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* @ param array $credentials Optional . User info in order to sign on .
* @ param string | bool $secure_cookie Optional . Whether to use secure cookie .
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* @ return WP_User | WP_Error WP_User on success , WP_Error on failure .
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*/
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function wp_signon ( $credentials = array (), $secure_cookie = '' ) {
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if ( empty ( $credentials ) ) {
if ( ! empty ( $_POST [ 'log' ]) )
$credentials [ 'user_login' ] = $_POST [ 'log' ];
if ( ! empty ( $_POST [ 'pwd' ]) )
$credentials [ 'user_password' ] = $_POST [ 'pwd' ];
if ( ! empty ( $_POST [ 'rememberme' ]) )
$credentials [ 'remember' ] = $_POST [ 'rememberme' ];
}
if ( ! empty ( $credentials [ 'remember' ]) )
$credentials [ 'remember' ] = true ;
else
$credentials [ 'remember' ] = false ;
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/**
* Fires before the user is authenticated .
*
* The variables passed to the callbacks are passed by reference ,
* and can be modified by callback functions .
*
* @ since 1.5 . 1
*
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* @ todo Decide whether to deprecate the wp_authenticate action .
*
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* @ param string $user_login Username , passed by reference .
* @ param string $user_password User password , passed by reference .
*/
do_action_ref_array ( 'wp_authenticate' , array ( & $credentials [ 'user_login' ], & $credentials [ 'user_password' ] ) );
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if ( '' === $secure_cookie )
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$secure_cookie = is_ssl ();
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/**
* Filter whether to use a secure sign - on cookie .
*
* @ since 3.1 . 0
*
* @ param bool $secure_cookie Whether to use a secure sign - on cookie .
* @ param array $credentials {
* Array of entered sign - on data .
*
* @ type string $user_login Username .
* @ type string $user_password Password entered .
* @ type bool $remember Whether to 'remember' the user . Increases the time
* that the cookie will be kept . Default false .
* }
*/
$secure_cookie = apply_filters ( 'secure_signon_cookie' , $secure_cookie , $credentials );
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global $auth_secure_cookie ; // XXX ugly hack to pass this to wp_authenticate_cookie
$auth_secure_cookie = $secure_cookie ;
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add_filter ( 'authenticate' , 'wp_authenticate_cookie' , 30 , 3 );
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$user = wp_authenticate ( $credentials [ 'user_login' ], $credentials [ 'user_password' ]);
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if ( is_wp_error ( $user ) ) {
if ( $user -> get_error_codes () == array ( 'empty_username' , 'empty_password' ) ) {
$user = new WP_Error ( '' , '' );
}
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return $user ;
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}
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wp_set_auth_cookie ( $user -> ID , $credentials [ 'remember' ], $secure_cookie );
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/**
* Fires after the user has successfully logged in .
*
* @ since 1.5 . 0
*
* @ param string $user_login Username .
* @ param WP_User $user WP_User object of the logged - in user .
*/
do_action ( 'wp_login' , $user -> user_login , $user );
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return $user ;
}
/**
* Authenticate the user using the username and password .
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*
* @ since 2.8 . 0
*
* @ param WP_User | WP_Error | null $user WP_User or WP_Error object from a previous callback . Default null .
* @ param string $username Username for authentication .
* @ param string $password Password for authentication .
* @ return WP_User | WP_Error WP_User on success , WP_Error on failure .
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*/
function wp_authenticate_username_password ( $user , $username , $password ) {
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if ( $user instanceof WP_User ) {
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return $user ;
}
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if ( empty ( $username ) || empty ( $password ) ) {
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if ( is_wp_error ( $user ) )
return $user ;
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$error = new WP_Error ();
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if ( empty ( $username ) )
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$error -> add ( 'empty_username' , __ ( '<strong>ERROR</strong>: The username field is empty.' ));
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if ( empty ( $password ) )
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$error -> add ( 'empty_password' , __ ( '<strong>ERROR</strong>: The password field is empty.' ));
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return $error ;
}
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$user = get_user_by ( 'login' , $username );
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if ( ! $user )
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return new WP_Error ( 'invalid_username' , sprintf ( __ ( '<strong>ERROR</strong>: Invalid username. <a href="%s">Lost your password?</a>' ), wp_lostpassword_url () ) );
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/**
* Filter whether the given user can be authenticated with the provided $password .
*
* @ since 2.5 . 0
*
* @ param WP_User | WP_Error $user WP_User or WP_Error object if a previous
* callback failed authentication .
* @ param string $password Password to check against the user .
*/
$user = apply_filters ( 'wp_authenticate_user' , $user , $password );
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if ( is_wp_error ( $user ) )
return $user ;
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if ( ! wp_check_password ( $password , $user -> user_pass , $user -> ID ) )
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return new WP_Error ( 'incorrect_password' , sprintf ( __ ( '<strong>ERROR</strong>: The password you entered for the username <strong>%1$s</strong> is incorrect. <a href="%2$s">Lost your password?</a>' ),
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$username , wp_lostpassword_url () ) );
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return $user ;
}
/**
* Authenticate the user using the WordPress auth cookie .
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*
* @ since 2.8 . 0
*
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* @ global string $auth_secure_cookie
*
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* @ param WP_User | WP_Error | null $user WP_User or WP_Error object from a previous callback . Default null .
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* @ param string $username Username . If not empty , cancels the cookie authentication .
* @ param string $password Password . If not empty , cancels the cookie authentication .
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* @ return WP_User | WP_Error WP_User on success , WP_Error on failure .
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*/
function wp_authenticate_cookie ( $user , $username , $password ) {
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if ( $user instanceof WP_User ) {
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return $user ;
}
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if ( empty ( $username ) && empty ( $password ) ) {
$user_id = wp_validate_auth_cookie ();
if ( $user_id )
return new WP_User ( $user_id );
global $auth_secure_cookie ;
if ( $auth_secure_cookie )
$auth_cookie = SECURE_AUTH_COOKIE ;
else
$auth_cookie = AUTH_COOKIE ;
if ( ! empty ( $_COOKIE [ $auth_cookie ]) )
return new WP_Error ( 'expired_session' , __ ( 'Please log in again.' ));
// If the cookie is not set, be silent.
}
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return $user ;
}
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/**
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* For Multisite blogs , check if the authenticated user has been marked as a
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* spammer , or if the user ' s primary blog has been marked as spam .
*
* @ since 3.7 . 0
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*
* @ param WP_User | WP_Error | null $user WP_User or WP_Error object from a previous callback . Default null .
* @ return WP_User | WP_Error WP_User on success , WP_Error if the user is considered a spammer .
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*/
function wp_authenticate_spam_check ( $user ) {
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if ( $user instanceof WP_User && is_multisite () ) {
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/**
* Filter whether the user has been marked as a spammer .
*
* @ since 3.7 . 0
*
* @ param bool $spammed Whether the user is considered a spammer .
* @ param WP_User $user User to check against .
*/
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$spammed = apply_filters ( 'check_is_user_spammed' , is_user_spammy (), $user );
if ( $spammed )
return new WP_Error ( 'spammer_account' , __ ( '<strong>ERROR</strong>: Your account has been marked as a spammer.' ) );
}
return $user ;
}
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/**
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* Validate the logged - in cookie .
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*
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* Checks the logged - in cookie if the previous auth cookie could not be
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* validated and parsed .
*
* This is a callback for the determine_current_user filter , rather than API .
*
* @ since 3.9 . 0
*
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* @ param int | bool $user_id The user ID ( or false ) as received from the
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* determine_current_user filter .
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* @ return int | false User ID if validated , false otherwise . If a user ID from
* an earlier filter callback is received , that value is returned .
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*/
function wp_validate_logged_in_cookie ( $user_id ) {
if ( $user_id ) {
return $user_id ;
}
if ( is_blog_admin () || is_network_admin () || empty ( $_COOKIE [ LOGGED_IN_COOKIE ] ) ) {
return false ;
}
return wp_validate_auth_cookie ( $_COOKIE [ LOGGED_IN_COOKIE ], 'logged_in' );
}
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/**
* Number of posts user has written .
*
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* @ since 3.0 . 0
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* @ since 4.1 . 0 Added `$post_type` argument .
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* @ since 4.3 . 0 Added `$public_only` argument . Added the ability to pass an array of post types to `$post_type` .
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*
* @ global wpdb $wpdb WordPress database object for queries .
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*
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* @ param int $userid User ID .
* @ param array | string $post_type Optional . Post type ( s ) to count the number of posts for . Default 'post' .
* @ param bool $public_only Optional . Only return counts for public posts . Defaults to false .
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* @ return int Number of posts the user has written in this post type .
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*/
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function count_user_posts ( $userid , $post_type = 'post' , $public_only = false ) {
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global $wpdb ;
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$where = get_posts_by_author_sql ( $post_type , true , $userid , $public_only );
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$count = $wpdb -> get_var ( " SELECT COUNT(*) FROM $wpdb->posts $where " );
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/**
* Filter the number of posts a user has written .
*
* @ since 2.7 . 0
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* @ since 4.1 . 0 Added `$post_type` argument .
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* @ since 4.3 . 0 Added `$public_only` argument .
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*
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* @ param int $count The user ' s post count .
* @ param int $userid User ID .
* @ param string | array $post_types Post types to count the number of posts for .
* @ param bool $public_only Whether to limit counted posts to public posts .
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*/
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return apply_filters ( 'get_usernumposts' , $count , $userid , $post_type );
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}
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/**
* Number of posts written by a list of users .
*
* @ since 3.0 . 0
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*
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* @ global wpdb $wpdb
*
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* @ param array $users Array of user IDs .
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* @ param string | array $post_type Optional . Single post type or array of post types to check . Defaults to 'post' .
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* @ param bool $public_only Optional . Only return counts for public posts . Defaults to false .
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* @ return array Amount of posts each user has written .
*/
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function count_many_users_posts ( $users , $post_type = 'post' , $public_only = false ) {
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global $wpdb ;
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$count = array ();
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if ( empty ( $users ) || ! is_array ( $users ) )
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return $count ;
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$userlist = implode ( ',' , array_map ( 'absint' , $users ) );
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$where = get_posts_by_author_sql ( $post_type , true , null , $public_only );
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$result = $wpdb -> get_results ( " SELECT post_author, COUNT(*) FROM $wpdb->posts $where AND post_author IN ( $userlist ) GROUP BY post_author " , ARRAY_N );
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foreach ( $result as $row ) {
$count [ $row [ 0 ] ] = $row [ 1 ];
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}
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foreach ( $users as $id ) {
if ( ! isset ( $count [ $id ] ) )
$count [ $id ] = 0 ;
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}
return $count ;
}
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//
// User option functions
//
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/**
* Get the current user ' s ID
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*
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* @ since MU
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*
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* @ return int The current user ' s ID
*/
function get_current_user_id () {
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if ( ! function_exists ( 'wp_get_current_user' ) )
return 0 ;
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$user = wp_get_current_user ();
return ( isset ( $user -> ID ) ? ( int ) $user -> ID : 0 );
}
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/**
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* Retrieve user option that can be either per Site or per Network .
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*
* If the user ID is not given , then the current user will be used instead . If
* the user ID is given , then the user data will be retrieved . The filter for
* the result , will also pass the original option name and finally the user data
* object as the third parameter .
*
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* The option will first check for the per site name and then the per Network name .
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*
* @ since 2.0 . 0
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*
* @ global wpdb $wpdb WordPress database object for queries .
*
* @ param string $option User option name .
* @ param int $user Optional . User ID .
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* @ param string $deprecated Use get_option () to check for an option in the options table .
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* @ return mixed User option value on success , false on failure .
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*/
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function get_user_option ( $option , $user = 0 , $deprecated = '' ) {
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global $wpdb ;
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if ( ! empty ( $deprecated ) )
_deprecated_argument ( __FUNCTION__ , '3.0' );
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if ( empty ( $user ) )
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$user = get_current_user_id ();
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if ( ! $user = get_userdata ( $user ) )
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return false ;
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$prefix = $wpdb -> get_blog_prefix ();
if ( $user -> has_prop ( $prefix . $option ) ) // Blog specific
$result = $user -> get ( $prefix . $option );
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elseif ( $user -> has_prop ( $option ) ) // User specific and cross-blog
$result = $user -> get ( $option );
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else
$result = false ;
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/**
* Filter a specific user option value .
*
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* The dynamic portion of the hook name , `$option` , refers to the user option name .
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*
* @ since 2.5 . 0
*
* @ param mixed $result Value for the user ' s option .
* @ param string $option Name of the option being retrieved .
* @ param WP_User $user WP_User object of the user whose option is being retrieved .
*/
return apply_filters ( " get_user_option_ { $option } " , $result , $option , $user );
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}
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/**
* Update user option with global blog capability .
*
* User options are just like user metadata except that they have support for
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* global blog options . If the 'global' parameter is false , which it is by default
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* it will prepend the WordPress table prefix to the option name .
*
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* Deletes the user option if $newvalue is empty .
*
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* @ since 2.0 . 0
*
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* @ global wpdb $wpdb WordPress database object for queries .
*
* @ param int $user_id User ID .
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* @ param string $option_name User option name .
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* @ param mixed $newvalue User option value .
* @ param bool $global Optional . Whether option name is global or blog specific .
* Default false ( blog specific ) .
* @ return int | bool User meta ID if the option didn ' t exist , true on successful update ,
* false on failure .
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*/
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function update_user_option ( $user_id , $option_name , $newvalue , $global = false ) {
global $wpdb ;
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if ( ! $global )
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$option_name = $wpdb -> get_blog_prefix () . $option_name ;
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return update_user_meta ( $user_id , $option_name , $newvalue );
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}
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/**
* Delete user option with global blog capability .
*
* User options are just like user metadata except that they have support for
* global blog options . If the 'global' parameter is false , which it is by default
* it will prepend the WordPress table prefix to the option name .
*
* @ since 3.0 . 0
*
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* @ global wpdb $wpdb WordPress database object for queries .
*
* @ param int $user_id User ID
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* @ param string $option_name User option name .
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* @ param bool $global Optional . Whether option name is global or blog specific .
* Default false ( blog specific ) .
* @ return bool True on success , false on failure .
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*/
function delete_user_option ( $user_id , $option_name , $global = false ) {
global $wpdb ;
if ( ! $global )
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$option_name = $wpdb -> get_blog_prefix () . $option_name ;
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return delete_user_meta ( $user_id , $option_name );
}
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/**
* WordPress User Query class .
*
* @ since 3.1 . 0
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*
* @ see WP_User_Query :: prepare_query () for information on accepted arguments .
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*/
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class WP_User_Query {
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/**
* Query vars , after parsing
*
* @ since 3.5 . 0
* @ access public
* @ var array
*/
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public $query_vars = array ();
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/**
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* List of found user ids
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*
* @ since 3.1 . 0
* @ access private
* @ var array
*/
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private $results ;
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/**
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* Total number of found users for the current query
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*
* @ since 3.1 . 0
* @ access private
* @ var int
*/
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private $total_users = 0 ;
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/**
* Metadata query container .
*
* @ since 4.2 . 0
* @ access public
* @ var object WP_Meta_Query
*/
public $meta_query = false ;
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private $compat_fields = array ( 'results' , 'total_users' );
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// SQL clauses
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public $query_fields ;
public $query_from ;
public $query_where ;
public $query_orderby ;
public $query_limit ;
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/**
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* PHP5 constructor .
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*
* @ since 3.1 . 0
*
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* @ param null | string | array $args Optional . The query variables .
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*/
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public function __construct ( $query = null ) {
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if ( ! empty ( $query ) ) {
$this -> prepare_query ( $query );
$this -> query ();
}
}
/**
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* Prepare the query variables .
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*
* @ since 3.1 . 0
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* @ since 4.2 . 0 Added 'meta_value_num' support for `$orderby` parameter . Added multi - dimensional array syntax
* for `$orderby` parameter .
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* @ since 4.3 . 0 Added 'has_published_posts' parameter .
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* @ access public
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*
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* @ global wpdb $wpdb
* @ global int $blog_id
*
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* @ param string | array $query {
* Optional . Array or string of Query parameters .
*
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* @ type int $blog_id The site ID . Default is the global blog id .
* @ type string $role Role name . Default empty .
* @ type string $meta_key User meta key . Default empty .
* @ type string $meta_value User meta value . Default empty .
* @ type string $meta_compare Comparison operator to test the `$meta_value` . Accepts '=' , '!=' ,
* '>' , '>=' , '<' , '<=' , 'LIKE' , 'NOT LIKE' , 'IN' , 'NOT IN' ,
* 'BETWEEN' , 'NOT BETWEEN' , 'EXISTS' , 'NOT EXISTS' , 'REGEXP' ,
* 'NOT REGEXP' , or 'RLIKE' . Default '=' .
* @ type array $include An array of user IDs to include . Default empty array .
* @ type array $exclude An array of user IDs to exclude . Default empty array .
* @ type string $search Search keyword . Searches for possible string matches on columns .
* When `$search_columns` is left empty , it tries to determine which
* column to search in based on search string . Default empty .
* @ type array $search_columns Array of column names to be searched . Accepts 'ID' , 'login' ,
* 'nicename' , 'email' , 'url' . Default empty array .
* @ type string | array $orderby Field ( s ) to sort the retrieved users by . May be a single value ,
* an array of values , or a multi - dimensional array with fields as
* keys and orders ( 'ASC' or 'DESC' ) as values . Accepted values are
* 'ID' , 'display_name' ( or 'name' ), 'user_login' ( or 'login' ),
* 'user_nicename' ( or 'nicename' ), 'user_email' ( or 'email' ),
* 'user_url' ( or 'url' ), 'user_registered' ( or 'registered' ),
* 'post_count' , 'meta_value' , 'meta_value_num' , the value of
* `$meta_key` , or an array key of `$meta_query` . To use
* 'meta_value' or 'meta_value_num' , `$meta_key` must be also be
* defined . Default 'user_login' .
* @ type string $order Designates ascending or descending order of users . Order values
* passed as part of an `$orderby` array take precedence over this
* parameter . Accepts 'ASC' , 'DESC' . Default 'ASC' .
* @ type int $offset Number of users to offset in retrieved results . Can be used in
* conjunction with pagination . Default 0.
* @ type int $number Number of users to limit the query for . Can be used in
* conjunction with pagination . Value - 1 ( all ) is not supported .
* Default empty ( all users ) .
* @ type bool $count_total Whether to count the total number of users found . If pagination
* is not needed , setting this to false can improve performance .
* Default true .
* @ type string | array $fields Which fields to return . Single or all fields ( string ), or array
* of fields . Accepts 'ID' , 'display_name' , 'login' , 'nicename' ,
* 'email' , 'url' , 'registered' . Use 'all' for all fields and
* 'all_with_meta' to include meta fields . Default 'all' .
* @ type string $who Type of users to query . Accepts 'authors' .
* Default empty ( all users ) .
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* @ type bool | array $has_published_posts Pass an array of post types to filter results to users who have
* published posts in those post types . `true` is an alias for all
* public post types .
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* }
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*/
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public function prepare_query ( $query = array () ) {
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global $wpdb ;
if ( empty ( $this -> query_vars ) || ! empty ( $query ) ) {
$this -> query_limit = null ;
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$this -> query_vars = wp_parse_args ( $query , array (
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'blog_id' => $GLOBALS [ 'blog_id' ],
'role' => '' ,
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'meta_key' => '' ,
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'meta_value' => '' ,
'meta_compare' => '' ,
'include' => array (),
'exclude' => array (),
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'search' => '' ,
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'search_columns' => array (),
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'orderby' => 'login' ,
'order' => 'ASC' ,
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'offset' => '' ,
'number' => '' ,
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'count_total' => true ,
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'fields' => 'all' ,
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'who' => '' ,
'has_published_posts' => null ,
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) );
}
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/**
* Fires before the WP_User_Query has been parsed .
*
* The passed WP_User_Query object contains the query variables , not
* yet passed into SQL .
*
* @ since 4.0 . 0
*
* @ param WP_User_Query $this The current WP_User_Query instance ,
* passed by reference .
*/
do_action ( 'pre_get_users' , $this );
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$qv =& $this -> query_vars ;
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if ( is_array ( $qv [ 'fields' ] ) ) {
$qv [ 'fields' ] = array_unique ( $qv [ 'fields' ] );
$this -> query_fields = array ();
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foreach ( $qv [ 'fields' ] as $field ) {
$field = 'ID' === $field ? 'ID' : sanitize_key ( $field );
$this -> query_fields [] = " $wpdb->users . $field " ;
}
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$this -> query_fields = implode ( ',' , $this -> query_fields );
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} elseif ( 'all' == $qv [ 'fields' ] ) {
$this -> query_fields = " $wpdb->users .* " ;
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} else {
$this -> query_fields = " $wpdb->users .ID " ;
}
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if ( isset ( $qv [ 'count_total' ] ) && $qv [ 'count_total' ] )
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$this -> query_fields = 'SQL_CALC_FOUND_ROWS ' . $this -> query_fields ;
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$this -> query_from = " FROM $wpdb->users " ;
$this -> query_where = " WHERE 1=1 " ;
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// Parse and sanitize 'include', for use by 'orderby' as well as 'include' below.
if ( ! empty ( $qv [ 'include' ] ) ) {
$include = wp_parse_id_list ( $qv [ 'include' ] );
} else {
$include = false ;
}
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$blog_id = 0 ;
if ( isset ( $qv [ 'blog_id' ] ) ) {
$blog_id = absint ( $qv [ 'blog_id' ] );
}
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if ( isset ( $qv [ 'who' ] ) && 'authors' == $qv [ 'who' ] && $blog_id ) {
$qv [ 'meta_key' ] = $wpdb -> get_blog_prefix ( $blog_id ) . 'user_level' ;
$qv [ 'meta_value' ] = 0 ;
$qv [ 'meta_compare' ] = '!=' ;
$qv [ 'blog_id' ] = $blog_id = 0 ; // Prevent extra meta query
}
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if ( $qv [ 'has_published_posts' ] && $blog_id ) {
if ( true === $qv [ 'has_published_posts' ] ) {
$post_types = get_post_types ( array ( 'public' => true ) );
} else {
$post_types = ( array ) $qv [ 'has_published_posts' ];
}
foreach ( $post_types as & $post_type ) {
$post_type = $wpdb -> prepare ( '%s' , $post_type );
}
$posts_table = $wpdb -> get_blog_prefix ( $blog_id ) . 'posts' ;
$this -> query_where .= " AND $wpdb->users .ID IN ( SELECT DISTINCT $posts_table .post_author FROM $posts_table WHERE $posts_table .post_status = 'publish' AND $posts_table .post_type IN ( " . join ( " , " , $post_types ) . " ) ) " ;
}
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// Meta query.
$this -> meta_query = new WP_Meta_Query ();
$this -> meta_query -> parse_query_vars ( $qv );
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$role = '' ;
if ( isset ( $qv [ 'role' ] ) ) {
$role = trim ( $qv [ 'role' ] );
}
if ( $blog_id && ( $role || is_multisite () ) ) {
$cap_meta_query = array ();
$cap_meta_query [ 'key' ] = $wpdb -> get_blog_prefix ( $blog_id ) . 'capabilities' ;
if ( $role ) {
$cap_meta_query [ 'value' ] = '"' . $role . '"' ;
$cap_meta_query [ 'compare' ] = 'like' ;
}
if ( empty ( $this -> meta_query -> queries ) ) {
$this -> meta_query -> queries = array ( $cap_meta_query );
} elseif ( ! in_array ( $cap_meta_query , $this -> meta_query -> queries , true ) ) {
// Append the cap query to the original queries and reparse the query.
$this -> meta_query -> queries = array (
'relation' => 'AND' ,
array ( $this -> meta_query -> queries , $cap_meta_query ),
);
}
$this -> meta_query -> parse_query_vars ( $this -> meta_query -> queries );
}
if ( ! empty ( $this -> meta_query -> queries ) ) {
$clauses = $this -> meta_query -> get_sql ( 'user' , $wpdb -> users , 'ID' , $this );
$this -> query_from .= $clauses [ 'join' ];
$this -> query_where .= $clauses [ 'where' ];
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if ( $this -> meta_query -> has_or_relation () ) {
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$this -> query_fields = 'DISTINCT ' . $this -> query_fields ;
}
}
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// sorting
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$qv [ 'order' ] = isset ( $qv [ 'order' ] ) ? strtoupper ( $qv [ 'order' ] ) : '' ;
$order = $this -> parse_order ( $qv [ 'order' ] );
if ( empty ( $qv [ 'orderby' ] ) ) {
// Default order is by 'user_login'.
$ordersby = array ( 'user_login' => $order );
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} elseif ( is_array ( $qv [ 'orderby' ] ) ) {
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$ordersby = $qv [ 'orderby' ];
} else {
// 'orderby' values may be a comma- or space-separated list.
$ordersby = preg_split ( '/[,\s]+/' , $qv [ 'orderby' ] );
}
$orderby_array = array ();
foreach ( $ordersby as $_key => $_value ) {
if ( ! $_value ) {
continue ;
}
if ( is_int ( $_key ) ) {
// Integer key means this is a flat array of 'orderby' fields.
$_orderby = $_value ;
$_order = $order ;
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} else {
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// Non-integer key means this the key is the field and the value is ASC/DESC.
$_orderby = $_key ;
$_order = $_value ;
}
$parsed = $this -> parse_orderby ( $_orderby );
if ( ! $parsed ) {
continue ;
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}
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$orderby_array [] = $parsed . ' ' . $this -> parse_order ( $_order );
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}
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// If no valid clauses were found, order by user_login.
if ( empty ( $orderby_array ) ) {
$orderby_array [] = " user_login $order " ;
}
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$this -> query_orderby = 'ORDER BY ' . implode ( ', ' , $orderby_array );
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// limit
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if ( isset ( $qv [ 'number' ] ) && $qv [ 'number' ] ) {
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if ( $qv [ 'offset' ] )
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$this -> query_limit = $wpdb -> prepare ( " LIMIT %d, %d " , $qv [ 'offset' ], $qv [ 'number' ]);
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else
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$this -> query_limit = $wpdb -> prepare ( " LIMIT %d " , $qv [ 'number' ]);
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}
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$search = '' ;
if ( isset ( $qv [ 'search' ] ) )
$search = trim ( $qv [ 'search' ] );
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if ( $search ) {
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$leading_wild = ( ltrim ( $search , '*' ) != $search );
$trailing_wild = ( rtrim ( $search , '*' ) != $search );
if ( $leading_wild && $trailing_wild )
$wild = 'both' ;
elseif ( $leading_wild )
$wild = 'leading' ;
elseif ( $trailing_wild )
$wild = 'trailing' ;
else
$wild = false ;
if ( $wild )
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$search = trim ( $search , '*' );
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$search_columns = array ();
if ( $qv [ 'search_columns' ] )
$search_columns = array_intersect ( $qv [ 'search_columns' ], array ( 'ID' , 'user_login' , 'user_email' , 'user_url' , 'user_nicename' ) );
if ( ! $search_columns ) {
if ( false !== strpos ( $search , '@' ) )
$search_columns = array ( 'user_email' );
elseif ( is_numeric ( $search ) )
$search_columns = array ( 'user_login' , 'ID' );
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elseif ( preg_match ( '|^https?://|' , $search ) && ! ( is_multisite () && wp_is_large_network ( 'users' ) ) )
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$search_columns = array ( 'user_url' );
else
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$search_columns = array ( 'user_login' , 'user_url' , 'user_email' , 'user_nicename' , 'display_name' );
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}
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/**
* Filter the columns to search in a WP_User_Query search .
*
* The default columns depend on the search term , and include 'user_email' ,
* 'user_login' , 'ID' , 'user_url' , and 'user_nicename' .
*
* @ since 3.6 . 0
*
* @ param array $search_columns Array of column names to be searched .
* @ param string $search Text being searched .
* @ param WP_User_Query $this The current WP_User_Query instance .
*/
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$search_columns = apply_filters ( 'user_search_columns' , $search_columns , $search , $this );
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$this -> query_where .= $this -> get_search_sql ( $search , $search_columns , $wild );
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}
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if ( ! empty ( $include ) ) {
// Sanitized earlier.
$ids = implode ( ',' , $include );
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$this -> query_where .= " AND $wpdb->users .ID IN ( $ids ) " ;
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} elseif ( ! empty ( $qv [ 'exclude' ] ) ) {
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$ids = implode ( ',' , wp_parse_id_list ( $qv [ 'exclude' ] ) );
$this -> query_where .= " AND $wpdb->users .ID NOT IN ( $ids ) " ;
}
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// Date queries are allowed for the user_registered field.
if ( ! empty ( $qv [ 'date_query' ] ) && is_array ( $qv [ 'date_query' ] ) ) {
$date_query = new WP_Date_Query ( $qv [ 'date_query' ], 'user_registered' );
$this -> query_where .= $date_query -> get_sql ();
}
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/**
* Fires after the WP_User_Query has been parsed , and before
* the query is executed .
*
* The passed WP_User_Query object contains SQL parts formed
* from parsing the given query .
*
* @ since 3.1 . 0
*
* @ param WP_User_Query $this The current WP_User_Query instance ,
* passed by reference .
*/
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do_action_ref_array ( 'pre_user_query' , array ( & $this ) );
}
/**
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* Execute the query , with the current variables .
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*
* @ since 3.1 . 0
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*
* @ global wpdb $wpdb WordPress database object for queries .
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*/
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public function query () {
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global $wpdb ;
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$qv =& $this -> query_vars ;
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$query = " SELECT $this->query_fields $this->query_from $this->query_where $this->query_orderby $this->query_limit " ;
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if ( is_array ( $qv [ 'fields' ] ) || 'all' == $qv [ 'fields' ] ) {
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$this -> results = $wpdb -> get_results ( $query );
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} else {
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$this -> results = $wpdb -> get_col ( $query );
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}
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/**
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* Filter SELECT FOUND_ROWS () query for the current WP_User_Query instance .
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*
* @ since 3.2 . 0
*
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* @ global wpdb $wpdb WordPress database abstraction object .
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*
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* @ param string $sql The SELECT FOUND_ROWS () query for the current WP_User_Query .
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*/
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if ( isset ( $qv [ 'count_total' ] ) && $qv [ 'count_total' ] )
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$this -> total_users = $wpdb -> get_var ( apply_filters ( 'found_users_query' , 'SELECT FOUND_ROWS()' ) );
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if ( ! $this -> results )
return ;
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if ( 'all_with_meta' == $qv [ 'fields' ] ) {
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cache_users ( $this -> results );
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$r = array ();
foreach ( $this -> results as $userid )
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$r [ $userid ] = new WP_User ( $userid , '' , $qv [ 'blog_id' ] );
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$this -> results = $r ;
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} elseif ( 'all' == $qv [ 'fields' ] ) {
foreach ( $this -> results as $key => $user ) {
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$this -> results [ $key ] = new WP_User ( $user , '' , $qv [ 'blog_id' ] );
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}
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}
}
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/**
* Retrieve query variable .
*
* @ since 3.5 . 0
* @ access public
*
* @ param string $query_var Query variable key .
* @ return mixed
*/
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public function get ( $query_var ) {
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if ( isset ( $this -> query_vars [ $query_var ] ) )
return $this -> query_vars [ $query_var ];
return null ;
}
/**
* Set query variable .
*
* @ since 3.5 . 0
* @ access public
*
* @ param string $query_var Query variable key .
* @ param mixed $value Query variable value .
*/
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public function set ( $query_var , $value ) {
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$this -> query_vars [ $query_var ] = $value ;
}
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/**
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* Used internally to generate an SQL string for searching across multiple columns
*
* @ access protected
* @ since 3.1 . 0
*
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* @ global wpdb $wpdb
*
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* @ param string $string
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* @ param array $cols
* @ param bool $wild Whether to allow wildcard searches . Default is false for Network Admin , true for single site .
* Single site allows leading and trailing wildcards , Network Admin only trailing .
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* @ return string
*/
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protected function get_search_sql ( $string , $cols , $wild = false ) {
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global $wpdb ;
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$searches = array ();
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$leading_wild = ( 'leading' == $wild || 'both' == $wild ) ? '%' : '' ;
$trailing_wild = ( 'trailing' == $wild || 'both' == $wild ) ? '%' : '' ;
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$like = $leading_wild . $wpdb -> esc_like ( $string ) . $trailing_wild ;
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foreach ( $cols as $col ) {
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if ( 'ID' == $col ) {
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$searches [] = $wpdb -> prepare ( " $col = %s " , $string );
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} else {
$searches [] = $wpdb -> prepare ( " $col LIKE %s " , $like );
}
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}
return ' AND (' . implode ( ' OR ' , $searches ) . ')' ;
}
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/**
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* Return the list of users .
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*
* @ since 3.1 . 0
* @ access public
*
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* @ return array Array of results .
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*/
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public function get_results () {
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return $this -> results ;
}
/**
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* Return the total number of users for the current query .
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*
* @ since 3.1 . 0
* @ access public
*
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* @ return int Number of total users .
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*/
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public function get_total () {
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return $this -> total_users ;
}
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/**
* Parse and sanitize 'orderby' keys passed to the user query .
*
* @ since 4.2 . 0
* @ access protected
*
* @ global wpdb $wpdb WordPress database abstraction object .
*
* @ param string $orderby Alias for the field to order by .
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* @ return string Value to used in the ORDER clause , if `$orderby` is valid .
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*/
protected function parse_orderby ( $orderby ) {
global $wpdb ;
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$meta_query_clauses = $this -> meta_query -> get_clauses ();
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$_orderby = '' ;
if ( in_array ( $orderby , array ( 'login' , 'nicename' , 'email' , 'url' , 'registered' ) ) ) {
$_orderby = 'user_' . $orderby ;
} elseif ( in_array ( $orderby , array ( 'user_login' , 'user_nicename' , 'user_email' , 'user_url' , 'user_registered' ) ) ) {
$_orderby = $orderby ;
} elseif ( 'name' == $orderby || 'display_name' == $orderby ) {
$_orderby = 'display_name' ;
} elseif ( 'post_count' == $orderby ) {
// todo: avoid the JOIN
$where = get_posts_by_author_sql ( 'post' );
$this -> query_from .= " LEFT OUTER JOIN (
SELECT post_author , COUNT ( * ) as post_count
FROM $wpdb -> posts
$where
GROUP BY post_author
) p ON ({ $wpdb -> users } . ID = p . post_author )
" ;
$_orderby = 'post_count' ;
} elseif ( 'ID' == $orderby || 'id' == $orderby ) {
$_orderby = 'ID' ;
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} elseif ( 'meta_value' == $orderby || $this -> get ( 'meta_key' ) == $orderby ) {
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$_orderby = " $wpdb->usermeta .meta_value " ;
} elseif ( 'meta_value_num' == $orderby ) {
$_orderby = " $wpdb->usermeta .meta_value+0 " ;
} elseif ( 'include' === $orderby && ! empty ( $this -> query_vars [ 'include' ] ) ) {
$include = wp_parse_id_list ( $this -> query_vars [ 'include' ] );
$include_sql = implode ( ',' , $include );
$_orderby = " FIELD( $wpdb->users .ID, $include_sql ) " ;
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} elseif ( isset ( $meta_query_clauses [ $orderby ] ) ) {
$meta_clause = $meta_query_clauses [ $orderby ];
$_orderby = sprintf ( " CAST(%s.meta_value AS %s) " , esc_sql ( $meta_clause [ 'alias' ] ), esc_sql ( $meta_clause [ 'cast' ] ) );
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}
return $_orderby ;
}
/**
* Parse an 'order' query variable and cast it to ASC or DESC as necessary .
*
* @ since 4.2 . 0
* @ access protected
*
* @ param string $order The 'order' query variable .
* @ return string The sanitized 'order' query variable .
*/
protected function parse_order ( $order ) {
if ( ! is_string ( $order ) || empty ( $order ) ) {
return 'DESC' ;
}
if ( 'ASC' === strtoupper ( $order ) ) {
return 'ASC' ;
} else {
return 'DESC' ;
}
}
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/**
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* Make private properties readable for backwards compatibility .
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*
* @ since 4.0 . 0
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* @ access public
*
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* @ param string $name Property to get .
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* @ return mixed Property .
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*/
public function __get ( $name ) {
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if ( in_array ( $name , $this -> compat_fields ) ) {
return $this -> $name ;
}
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}
/**
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* Make private properties settable for backwards compatibility .
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*
* @ since 4.0 . 0
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* @ access public
*
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* @ param string $name Property to check if set .
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* @ param mixed $value Property value .
* @ return mixed Newly - set property .
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*/
public function __set ( $name , $value ) {
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if ( in_array ( $name , $this -> compat_fields ) ) {
return $this -> $name = $value ;
}
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}
/**
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* Make private properties checkable for backwards compatibility .
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*
* @ since 4.0 . 0
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* @ access public
*
* @ param string $name Property to check if set .
* @ return bool Whether the property is set .
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*/
public function __isset ( $name ) {
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if ( in_array ( $name , $this -> compat_fields ) ) {
return isset ( $this -> $name );
}
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}
/**
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* Make private properties un - settable for backwards compatibility .
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*
* @ since 4.0 . 0
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* @ access public
*
* @ param string $name Property to unset .
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*/
public function __unset ( $name ) {
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if ( in_array ( $name , $this -> compat_fields ) ) {
unset ( $this -> $name );
}
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}
/**
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* Make private / protected methods readable for backwards compatibility .
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*
* @ since 4.0 . 0
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* @ access public
*
* @ param callable $name Method to call .
* @ param array $arguments Arguments to pass when calling .
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* @ return mixed Return value of the callback , false otherwise .
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*/
public function __call ( $name , $arguments ) {
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if ( 'get_search_sql' === $name ) {
return call_user_func_array ( array ( $this , $name ), $arguments );
}
return false ;
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}
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}
/**
* Retrieve list of users matching criteria .
*
* @ since 3.1 . 0
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*
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* @ see WP_User_Query
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*
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* @ param array $args Optional . Arguments to retrieve users . See { @ see WP_User_Query :: prepare_query ()}
* for more information on accepted arguments .
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* @ return array List of users .
*/
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function get_users ( $args = array () ) {
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$args = wp_parse_args ( $args );
$args [ 'count_total' ] = false ;
$user_search = new WP_User_Query ( $args );
return ( array ) $user_search -> get_results ();
}
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/**
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* Get the blogs a user belongs to .
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*
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* @ since 3.0 . 0
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*
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* @ global wpdb $wpdb WordPress database object for queries .
*
* @ param int $user_id User ID
* @ param bool $all Whether to retrieve all blogs , or only blogs that are not
* marked as deleted , archived , or spam .
* @ return array A list of the user 's blogs. An empty array if the user doesn' t exist
* or belongs to no blogs .
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*/
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function get_blogs_of_user ( $user_id , $all = false ) {
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global $wpdb ;
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$user_id = ( int ) $user_id ;
// Logged out users can't have blogs
if ( empty ( $user_id ) )
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return array ();
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$keys = get_user_meta ( $user_id );
if ( empty ( $keys ) )
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return array ();
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if ( ! is_multisite () ) {
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$blog_id = get_current_blog_id ();
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$blogs = array ( $blog_id => new stdClass );
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$blogs [ $blog_id ] -> userblog_id = $blog_id ;
$blogs [ $blog_id ] -> blogname = get_option ( 'blogname' );
$blogs [ $blog_id ] -> domain = '' ;
$blogs [ $blog_id ] -> path = '' ;
$blogs [ $blog_id ] -> site_id = 1 ;
$blogs [ $blog_id ] -> siteurl = get_option ( 'siteurl' );
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$blogs [ $blog_id ] -> archived = 0 ;
$blogs [ $blog_id ] -> spam = 0 ;
$blogs [ $blog_id ] -> deleted = 0 ;
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return $blogs ;
}
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$blogs = array ();
if ( isset ( $keys [ $wpdb -> base_prefix . 'capabilities' ] ) && defined ( 'MULTISITE' ) ) {
$blog = get_blog_details ( 1 );
if ( $blog && isset ( $blog -> domain ) && ( $all || ( ! $blog -> archived && ! $blog -> spam && ! $blog -> deleted ) ) ) {
$blogs [ 1 ] = ( object ) array (
'userblog_id' => 1 ,
'blogname' => $blog -> blogname ,
'domain' => $blog -> domain ,
'path' => $blog -> path ,
'site_id' => $blog -> site_id ,
'siteurl' => $blog -> siteurl ,
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'archived' => $blog -> archived ,
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'mature' => $blog -> mature ,
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'spam' => $blog -> spam ,
'deleted' => $blog -> deleted ,
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);
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}
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unset ( $keys [ $wpdb -> base_prefix . 'capabilities' ] );
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}
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$keys = array_keys ( $keys );
foreach ( $keys as $key ) {
if ( 'capabilities' !== substr ( $key , - 12 ) )
continue ;
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if ( $wpdb -> base_prefix && 0 !== strpos ( $key , $wpdb -> base_prefix ) )
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continue ;
$blog_id = str_replace ( array ( $wpdb -> base_prefix , '_capabilities' ), '' , $key );
if ( ! is_numeric ( $blog_id ) )
continue ;
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$blog_id = ( int ) $blog_id ;
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$blog = get_blog_details ( $blog_id );
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if ( $blog && isset ( $blog -> domain ) && ( $all || ( ! $blog -> archived && ! $blog -> spam && ! $blog -> deleted ) ) ) {
$blogs [ $blog_id ] = ( object ) array (
'userblog_id' => $blog_id ,
'blogname' => $blog -> blogname ,
'domain' => $blog -> domain ,
'path' => $blog -> path ,
'site_id' => $blog -> site_id ,
'siteurl' => $blog -> siteurl ,
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'archived' => $blog -> archived ,
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'mature' => $blog -> mature ,
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'spam' => $blog -> spam ,
'deleted' => $blog -> deleted ,
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);
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}
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}
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/**
* Filter the list of blogs a user belongs to .
*
* @ since MU
*
* @ param array $blogs An array of blog objects belonging to the user .
* @ param int $user_id User ID .
* @ param bool $all Whether the returned blogs array should contain all blogs , including
* those marked 'deleted' , 'archived' , or 'spam' . Default false .
*/
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return apply_filters ( 'get_blogs_of_user' , $blogs , $user_id , $all );
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}
/**
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* Find out whether a user is a member of a given blog .
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*
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* @ since MU 1.1
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*
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* @ param int $user_id Optional . The unique ID of the user . Defaults to the current user .
* @ param int $blog_id Optional . ID of the blog to check . Defaults to the current site .
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* @ return bool
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*/
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function is_user_member_of_blog ( $user_id = 0 , $blog_id = 0 ) {
$user_id = ( int ) $user_id ;
$blog_id = ( int ) $blog_id ;
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if ( empty ( $user_id ) )
$user_id = get_current_user_id ();
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if ( empty ( $blog_id ) )
$blog_id = get_current_blog_id ();
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$blogs = get_blogs_of_user ( $user_id );
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return array_key_exists ( $blog_id , $blogs );
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}
2008-09-12 06:29:09 +02:00
/**
2010-02-22 19:35:35 +01:00
* Add meta data field to a user .
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*
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* Post meta data is called " Custom Fields " on the Administration Screens .
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*
* @ since 3.0 . 0
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* @ link https :// codex . wordpress . org / Function_Reference / add_user_meta
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*
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* @ param int $user_id User ID .
* @ param string $meta_key Metadata name .
* @ param mixed $meta_value Metadata value .
* @ param bool $unique Optional , default is false . Whether the same key should not be added .
* @ return int | false Meta ID on success , false on failure .
2008-09-12 06:29:09 +02:00
*/
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function add_user_meta ( $user_id , $meta_key , $meta_value , $unique = false ) {
return add_metadata ( 'user' , $user_id , $meta_key , $meta_value , $unique );
2006-06-08 04:22:16 +02:00
}
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/**
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* Remove metadata matching criteria from a user .
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*
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* You can match based on the key , or key and value . Removing based on key and
* value , will keep from removing duplicate metadata with the same key . It also
* allows removing all metadata matching key , if needed .
2008-09-12 06:29:09 +02:00
*
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* @ since 3.0 . 0
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* @ link https :// codex . wordpress . org / Function_Reference / delete_user_meta
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*
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* @ param int $user_id User ID
* @ param string $meta_key Metadata name .
* @ param mixed $meta_value Optional . Metadata value .
2013-06-21 14:45:11 +02:00
* @ return bool True on success , false on failure .
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*/
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function delete_user_meta ( $user_id , $meta_key , $meta_value = '' ) {
return delete_metadata ( 'user' , $user_id , $meta_key , $meta_value );
}
2006-06-08 04:22:16 +02:00
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/**
* Retrieve user meta field for a user .
*
* @ since 3.0 . 0
2015-04-12 23:29:32 +02:00
* @ link https :// codex . wordpress . org / Function_Reference / get_user_meta
2010-02-22 19:35:35 +01:00
*
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* @ param int $user_id User ID .
* @ param string $key Optional . The meta key to retrieve . By default , returns data for all keys .
* @ param bool $single Whether to return a single value .
* @ return mixed Will be an array if $single is false . Will be value of meta data field if $single is true .
2010-02-22 19:35:35 +01:00
*/
2011-08-24 21:32:59 +02:00
function get_user_meta ( $user_id , $key = '' , $single = false ) {
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return get_metadata ( 'user' , $user_id , $key , $single );
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}
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/**
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* Update user meta field based on user ID .
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*
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* Use the $prev_value parameter to differentiate between meta fields with the
* same key and user ID .
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*
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* If the meta field for the user does not exist , it will be added .
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*
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* @ since 3.0 . 0
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* @ link https :// codex . wordpress . org / Function_Reference / update_user_meta
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*
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* @ param int $user_id User ID .
* @ param string $meta_key Metadata key .
* @ param mixed $meta_value Metadata value .
* @ param mixed $prev_value Optional . Previous value to check before removing .
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* @ return int | bool Meta ID if the key didn ' t exist , true on successful update , false on failure .
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*/
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function update_user_meta ( $user_id , $meta_key , $meta_value , $prev_value = '' ) {
return update_metadata ( 'user' , $user_id , $meta_key , $meta_value , $prev_value );
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}
2010-03-03 20:08:30 +01:00
/**
* Count number of users who have each of the user roles .
*
* Assumes there are neither duplicated nor orphaned capabilities meta_values .
2011-12-14 00:45:31 +01:00
* Assumes role names are unique phrases . Same assumption made by WP_User_Query :: prepare_query ()
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* Using $strategy = 'time' this is CPU - intensive and should handle around 10 ^ 7 users .
* Using $strategy = 'memory' this is memory - intensive and should handle around 10 ^ 5 users , but see WP Bug #12257.
*
* @ since 3.0 . 0
2015-05-28 17:51:25 +02:00
*
* @ global wpdb $wpdb
*
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* @ param string $strategy 'time' or 'memory'
* @ return array Includes a grand total and an array of counts indexed by role strings .
*/
function count_users ( $strategy = 'time' ) {
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global $wpdb ;
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// Initialize
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$id = get_current_blog_id ();
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$blog_prefix = $wpdb -> get_blog_prefix ( $id );
$result = array ();
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if ( 'time' == $strategy ) {
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$avail_roles = wp_roles () -> get_names ();
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// Build a CPU-intensive query that will return concise information.
$select_count = array ();
foreach ( $avail_roles as $this_role => $name ) {
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$select_count [] = $wpdb -> prepare ( " COUNT(NULLIF(`meta_value` LIKE %s, false)) " , '%' . $wpdb -> esc_like ( '"' . $this_role . '"' ) . '%' );
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}
$select_count = implode ( ', ' , $select_count );
// Add the meta_value index to the selection list, then run the query.
$row = $wpdb -> get_row ( " SELECT $select_count , COUNT(*) FROM $wpdb->usermeta WHERE meta_key = ' { $blog_prefix } capabilities' " , ARRAY_N );
// Run the previous loop again to associate results with role names.
$col = 0 ;
$role_counts = array ();
foreach ( $avail_roles as $this_role => $name ) {
$count = ( int ) $row [ $col ++ ];
if ( $count > 0 ) {
$role_counts [ $this_role ] = $count ;
}
}
// Get the meta_value index from the end of the result set.
$total_users = ( int ) $row [ $col ];
$result [ 'total_users' ] = $total_users ;
$result [ 'avail_roles' ] =& $role_counts ;
} else {
$avail_roles = array ();
$users_of_blog = $wpdb -> get_col ( " SELECT meta_value FROM $wpdb->usermeta WHERE meta_key = ' { $blog_prefix } capabilities' " );
foreach ( $users_of_blog as $caps_meta ) {
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$b_roles = maybe_unserialize ( $caps_meta );
if ( ! is_array ( $b_roles ) )
continue ;
foreach ( $b_roles as $b_role => $val ) {
if ( isset ( $avail_roles [ $b_role ]) ) {
$avail_roles [ $b_role ] ++ ;
} else {
$avail_roles [ $b_role ] = 1 ;
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}
}
}
$result [ 'total_users' ] = count ( $users_of_blog );
$result [ 'avail_roles' ] =& $avail_roles ;
}
return $result ;
}
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//
// Private helper functions
//
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/**
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* Set up global user vars .
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*
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* Used by wp_set_current_user () for back compat . Might be deprecated in the future .
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*
* @ since 2.0 . 4
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*
* @ global string $user_login The user username for logging in
* @ global object $userdata User data .
* @ global int $user_level The level of the user
* @ global int $user_ID The ID of the user
* @ global string $user_email The email address of the user
* @ global string $user_url The url in the user ' s profile
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* @ global string $user_identity The display name of the user
*
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* @ param int $for_user_id Optional . User ID to set up global data .
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*/
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function setup_userdata ( $for_user_id = '' ) {
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global $user_login , $userdata , $user_level , $user_ID , $user_email , $user_url , $user_identity ;
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if ( '' == $for_user_id )
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$for_user_id = get_current_user_id ();
$user = get_userdata ( $for_user_id );
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if ( ! $user ) {
$user_ID = 0 ;
$user_level = 0 ;
$userdata = null ;
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$user_login = $user_email = $user_url = $user_identity = '' ;
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return ;
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}
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$user_ID = ( int ) $user -> ID ;
$user_level = ( int ) $user -> user_level ;
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$userdata = $user ;
$user_login = $user -> user_login ;
$user_email = $user -> user_email ;
$user_url = $user -> user_url ;
$user_identity = $user -> display_name ;
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}
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/**
* Create dropdown HTML content of users .
*
* The content can either be displayed , which it is by default or retrieved by
* setting the 'echo' argument . The 'include' and 'exclude' arguments do not
* need to be used ; all users will be displayed in that case . Only one can be
* used , either 'include' or 'exclude' , but not both .
*
* The available arguments are as follows :
*
* @ since 2.3 . 0
*
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* @ global wpdb $wpdb WordPress database object for queries .
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* @ global int $blog_id
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*
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* @ param array | string $args {
* Optional . Array or string of arguments to generate a drop - down of users .
* { @ see WP_User_Query :: prepare_query () for additional available arguments .
*
* @ type string $show_option_all Text to show as the drop - down default ( all ) .
* Default empty .
* @ type string $show_option_none Text to show as the drop - down default when no
* users were found . Default empty .
* @ type int | string $option_none_value Value to use for $show_option_non when no users
* were found . Default - 1.
* @ type string $hide_if_only_one_author Whether to skip generating the drop - down
* if only one user was found . Default empty .
* @ type string $orderby Field to order found users by . Accepts user fields .
* Default 'display_name' .
* @ type string $order Whether to order users in ascending or descending
* order . Accepts 'ASC' ( ascending ) or 'DESC' ( descending ) .
* Default 'ASC' .
* @ type array | string $include Array or comma - separated list of user IDs to include .
* Default empty .
* @ type array | string $exclude Array or comma - separated list of user IDs to exclude .
* Default empty .
* @ type bool | int $multi Whether to skip the ID attribute on the 'select' element .
* Accepts 1 | true or 0 | false . Default 0 | false .
* @ type string $show User table column to display . If the selected item is empty
* then the 'user_login' will be displayed in parentheses .
* Accepts user fields . Default 'display_name' .
* @ type int | bool $echo Whether to echo or return the drop - down . Accepts 1 | true ( echo )
* or 0 | false ( return ) . Default 1 | true .
* @ type int $selected Which user ID should be selected . Default 0.
* @ type bool $include_selected Whether to always include the selected user ID in the drop -
* down . Default false .
* @ type string $name Name attribute of select element . Default 'user' .
* @ type string $id ID attribute of the select element . Default is the value of $name .
* @ type string $class Class attribute of the select element . Default empty .
* @ type int $blog_id ID of blog ( Multisite only ) . Default is ID of the current blog .
* @ type string $who Which type of users to query . Accepts only an empty string or
* 'authors' . Default empty .
* }
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* @ return string String of HTML content .
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*/
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function wp_dropdown_users ( $args = '' ) {
$defaults = array (
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'show_option_all' => '' , 'show_option_none' => '' , 'hide_if_only_one_author' => '' ,
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'orderby' => 'display_name' , 'order' => 'ASC' ,
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'include' => '' , 'exclude' => '' , 'multi' => 0 ,
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'show' => 'display_name' , 'echo' => 1 ,
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'selected' => 0 , 'name' => 'user' , 'class' => '' , 'id' => '' ,
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'blog_id' => $GLOBALS [ 'blog_id' ], 'who' => '' , 'include_selected' => false ,
'option_none_value' => - 1
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);
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$defaults [ 'selected' ] = is_author () ? get_query_var ( 'author' ) : 0 ;
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$r = wp_parse_args ( $args , $defaults );
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$show = $r [ 'show' ];
$show_option_all = $r [ 'show_option_all' ];
$show_option_none = $r [ 'show_option_none' ];
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$option_none_value = $r [ 'option_none_value' ];
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$query_args = wp_array_slice_assoc ( $r , array ( 'blog_id' , 'include' , 'exclude' , 'orderby' , 'order' , 'who' ) );
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$query_args [ 'fields' ] = array ( 'ID' , 'user_login' , $show );
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$users = get_users ( $query_args );
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$output = '' ;
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if ( ! empty ( $users ) && ( empty ( $r [ 'hide_if_only_one_author' ] ) || count ( $users ) > 1 ) ) {
$name = esc_attr ( $r [ 'name' ] );
if ( $r [ 'multi' ] && ! $r [ 'id' ] ) {
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$id = '' ;
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} else {
$id = $r [ 'id' ] ? " id=' " . esc_attr ( $r [ 'id' ] ) . " ' " : " id=' $name ' " ;
}
$output = " <select name=' { $name } ' { $id } class=' " . $r [ 'class' ] . " '> \n " ;
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if ( $show_option_all ) {
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$output .= " \t <option value='0'> $show_option_all </option> \n " ;
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}
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if ( $show_option_none ) {
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$_selected = selected ( $option_none_value , $r [ 'selected' ], false );
$output .= " \t <option value=' " . esc_attr ( $option_none_value ) . " ' $_selected > $show_option_none </option> \n " ;
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}
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$found_selected = false ;
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foreach ( ( array ) $users as $user ) {
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$user -> ID = ( int ) $user -> ID ;
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$_selected = selected ( $user -> ID , $r [ 'selected' ], false );
if ( $_selected ) {
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$found_selected = true ;
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}
$display = ! empty ( $user -> $show ) ? $user -> $show : '(' . $user -> user_login . ')' ;
$output .= " \t <option value=' $user->ID ' $_selected > " . esc_html ( $display ) . " </option> \n " ;
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}
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if ( $r [ 'include_selected' ] && ! $found_selected && ( $r [ 'selected' ] > 0 ) ) {
$user = get_userdata ( $r [ 'selected' ] );
$_selected = selected ( $user -> ID , $r [ 'selected' ], false );
$display = ! empty ( $user -> $show ) ? $user -> $show : '(' . $user -> user_login . ')' ;
$output .= " \t <option value=' $user->ID ' $_selected > " . esc_html ( $display ) . " </option> \n " ;
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}
$output .= " </select> " ;
}
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/**
* Filter the wp_dropdown_users () HTML output .
*
* @ since 2.3 . 0
*
* @ param string $output HTML output generated by wp_dropdown_users () .
*/
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$html = apply_filters ( 'wp_dropdown_users' , $output );
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if ( $r [ 'echo' ] ) {
echo $html ;
}
return $html ;
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}
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/**
* Sanitize user field based on context .
*
* Possible context values are : 'raw' , 'edit' , 'db' , 'display' , 'attribute' and 'js' . The
* 'display' context is used by default . 'attribute' and 'js' contexts are treated like 'display'
* when calling filters .
*
* @ since 2.3 . 0
*
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* @ param string $field The user Object field name .
* @ param mixed $value The user Object value .
* @ param int $user_id User ID .
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* @ param string $context How to sanitize user fields . Looks for 'raw' , 'edit' , 'db' , 'display' ,
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* 'attribute' and 'js' .
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* @ return mixed Sanitized value .
*/
function sanitize_user_field ( $field , $value , $user_id , $context ) {
$int_fields = array ( 'ID' );
if ( in_array ( $field , $int_fields ) )
$value = ( int ) $value ;
if ( 'raw' == $context )
return $value ;
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if ( ! is_string ( $value ) && ! is_numeric ( $value ) )
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return $value ;
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$prefixed = false !== strpos ( $field , 'user_' );
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if ( 'edit' == $context ) {
if ( $prefixed ) {
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/** This filter is documented in wp-includes/post.php */
$value = apply_filters ( " edit_ { $field } " , $value , $user_id );
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} else {
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/**
* Filter a user field value in the 'edit' context .
*
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* The dynamic portion of the hook name , `$field` , refers to the prefixed user
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* field being filtered , such as 'user_login' , 'user_email' , 'first_name' , etc .
*
* @ since 2.9 . 0
*
* @ param mixed $value Value of the prefixed user field .
* @ param int $user_id User ID .
*/
$value = apply_filters ( " edit_user_ { $field } " , $value , $user_id );
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}
if ( 'description' == $field )
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$value = esc_html ( $value ); // textarea_escaped?
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else
$value = esc_attr ( $value );
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} elseif ( 'db' == $context ) {
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if ( $prefixed ) {
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/** This filter is documented in wp-includes/post.php */
$value = apply_filters ( " pre_ { $field } " , $value );
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} else {
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/**
* Filter the value of a user field in the 'db' context .
*
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* The dynamic portion of the hook name , `$field` , refers to the prefixed user
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* field being filtered , such as 'user_login' , 'user_email' , 'first_name' , etc .
*
* @ since 2.9 . 0
*
* @ param mixed $value Value of the prefixed user field .
*/
$value = apply_filters ( " pre_user_ { $field } " , $value );
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}
} else {
// Use display filters by default.
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if ( $prefixed ) {
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/** This filter is documented in wp-includes/post.php */
$value = apply_filters ( $field , $value , $user_id , $context );
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} else {
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/**
* Filter the value of a user field in a standard context .
*
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* The dynamic portion of the hook name , `$field` , refers to the prefixed user
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* field being filtered , such as 'user_login' , 'user_email' , 'first_name' , etc .
*
* @ since 2.9 . 0
*
* @ param mixed $value The user object value to sanitize .
* @ param int $user_id User ID .
* @ param string $context The context to filter within .
*/
$value = apply_filters ( " user_ { $field } " , $value , $user_id , $context );
}
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}
if ( 'user_url' == $field )
$value = esc_url ( $value );
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if ( 'attribute' == $context ) {
$value = esc_attr ( $value );
} elseif ( 'js' == $context ) {
$value = esc_js ( $value );
}
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return $value ;
}
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/**
* Update all user caches
*
* @ since 3.0 . 0
*
* @ param object $user User object to be cached
*/
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function update_user_caches ( $user ) {
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wp_cache_add ( $user -> ID , $user , 'users' );
wp_cache_add ( $user -> user_login , $user -> ID , 'userlogins' );
wp_cache_add ( $user -> user_email , $user -> ID , 'useremail' );
wp_cache_add ( $user -> user_nicename , $user -> ID , 'userslugs' );
}
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/**
* Clean all user caches
*
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* @ since 3.0 . 0
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*
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* @ param WP_User | int $user User object or ID to be cleaned from the cache
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*/
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function clean_user_cache ( $user ) {
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if ( is_numeric ( $user ) )
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$user = new WP_User ( $user );
if ( ! $user -> exists () )
return ;
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wp_cache_delete ( $user -> ID , 'users' );
wp_cache_delete ( $user -> user_login , 'userlogins' );
wp_cache_delete ( $user -> user_email , 'useremail' );
wp_cache_delete ( $user -> user_nicename , 'userslugs' );
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}
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/**
* Checks whether the given username exists .
*
* @ since 2.0 . 0
*
* @ param string $username Username .
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* @ return int | false The user ' s ID on success , and false on failure .
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*/
function username_exists ( $username ) {
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if ( $user = get_user_by ( 'login' , $username ) ) {
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return $user -> ID ;
}
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return false ;
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}
/**
* Checks whether the given email exists .
*
* @ since 2.1 . 0
*
* @ param string $email Email .
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* @ return int | false The user ' s ID on success , and false on failure .
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*/
function email_exists ( $email ) {
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if ( $user = get_user_by ( 'email' , $email ) ) {
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return $user -> ID ;
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}
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return false ;
}
/**
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* Checks whether a username is valid .
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*
* @ since 2.0 . 1
*
* @ param string $username Username .
* @ return bool Whether username given is valid
*/
function validate_username ( $username ) {
$sanitized = sanitize_user ( $username , true );
$valid = ( $sanitized == $username );
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/**
* Filter whether the provided username is valid or not .
*
* @ since 2.0 . 1
*
* @ param bool $valid Whether given username is valid .
* @ param string $username Username to check .
*/
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return apply_filters ( 'validate_username' , $valid , $username );
}
/**
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* Insert a user into the database .
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*
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* Most of the `$userdata` array fields have filters associated with the values . Exceptions are
* 'ID' , 'rich_editing' , 'comment_shortcuts' , 'admin_color' , 'use_ssl' ,
* 'user_registered' , and 'role' . The filters have the prefix 'pre_user_' followed by the field
* name . An example using 'description' would have the filter called , 'pre_user_description' that
* can be hooked into .
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*
* @ since 2.0 . 0
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* @ since 3.6 . 0 The `aim` , `jabber` , and `yim` fields were removed as default user contact
* methods for new installs . See wp_get_user_contact_methods () .
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*
* @ global wpdb $wpdb WordPress database object for queries .
*
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* @ param array | object | WP_User $userdata {
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* An array , object , or WP_User object of user data arguments .
*
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* @ type int $ID User ID . If supplied , the user will be updated .
* @ type string $user_pass The plain - text user password .
* @ type string $user_login The user ' s login username .
* @ type string $user_nicename The URL - friendly user name .
* @ type string $user_url The user URL .
* @ type string $user_email The user email address .
* @ type string $display_name The user ' s display name .
* Default is the the user ' s username .
* @ type string $nickname The user ' s nickname .
* Default is the the user ' s username .
* @ type string $first_name The user ' s first name . For new users , will be used
* to build the first part of the user ' s display name
* if `$display_name` is not specified .
* @ type string $last_name The user ' s last name . For new users , will be used
* to build the second part of the user ' s display name
* if `$display_name` is not specified .
* @ type string $description The user ' s biographical description .
* @ type string | bool $rich_editing Whether to enable the rich - editor for the user .
* False if not empty .
* @ type string | bool $comment_shortcuts Whether to enable comment moderation keyboard
* shortcuts for the user . Default false .
* @ type string $admin_color Admin color scheme for the user . Default 'fresh' .
* @ type bool $use_ssl Whether the user should always access the admin over
* https . Default false .
* @ type string $user_registered Date the user registered . Format is 'Y-m-d H:i:s' .
* @ type string | bool $show_admin_bar_front Whether to display the Admin Bar for the user on the
* site ' s frontend . Default true .
* @ type string $role User ' s role .
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* }
* @ return int | WP_Error The newly created user ' s ID or a WP_Error object if the user could not
* be created .
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*/
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function wp_insert_user ( $userdata ) {
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global $wpdb ;
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if ( $userdata instanceof stdClass ) {
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$userdata = get_object_vars ( $userdata );
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} elseif ( $userdata instanceof WP_User ) {
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$userdata = $userdata -> to_array ();
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}
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// Are we updating or creating?
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if ( ! empty ( $userdata [ 'ID' ] ) ) {
$ID = ( int ) $userdata [ 'ID' ];
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$update = true ;
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$old_user_data = WP_User :: get_data_by ( 'id' , $ID );
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// hashed in wp_update_user(), plaintext if called directly
$user_pass = $userdata [ 'user_pass' ];
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} else {
$update = false ;
// Hash the password
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$user_pass = wp_hash_password ( $userdata [ 'user_pass' ] );
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}
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$sanitized_user_login = sanitize_user ( $userdata [ 'user_login' ], true );
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/**
* Filter a username after it has been sanitized .
*
* This filter is called before the user is created or updated .
*
* @ since 2.0 . 3
*
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* @ param string $sanitized_user_login Username after it has been sanitized .
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*/
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$pre_user_login = apply_filters ( 'pre_user_login' , $sanitized_user_login );
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//Remove any non-printable chars from the login string to see if we have ended up with an empty username
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$user_login = trim ( $pre_user_login );
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if ( empty ( $user_login ) ) {
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return new WP_Error ( 'empty_user_login' , __ ( 'Cannot create a user with an empty login name.' ) );
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}
if ( ! $update && username_exists ( $user_login ) ) {
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return new WP_Error ( 'existing_user_login' , __ ( 'Sorry, that username already exists!' ) );
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}
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// If a nicename is provided, remove unsafe user characters before
// using it. Otherwise build a nicename from the user_login.
if ( ! empty ( $userdata [ 'user_nicename' ] ) ) {
$user_nicename = sanitize_user ( $userdata [ 'user_nicename' ], true );
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} else {
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$user_nicename = $user_login ;
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}
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$user_nicename = sanitize_title ( $user_nicename );
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// Store values to save in user meta.
$meta = array ();
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/**
* Filter a user ' s nicename before the user is created or updated .
*
* @ since 2.0 . 3
*
* @ param string $user_nicename The user ' s nicename .
*/
$user_nicename = apply_filters ( 'pre_user_nicename' , $user_nicename );
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$raw_user_url = empty ( $userdata [ 'user_url' ] ) ? '' : $userdata [ 'user_url' ];
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/**
* Filter a user ' s URL before the user is created or updated .
*
* @ since 2.0 . 3
*
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* @ param string $raw_user_url The user ' s URL .
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*/
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$user_url = apply_filters ( 'pre_user_url' , $raw_user_url );
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$raw_user_email = empty ( $userdata [ 'user_email' ] ) ? '' : $userdata [ 'user_email' ];
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/**
* Filter a user ' s email before the user is created or updated .
*
* @ since 2.0 . 3
*
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* @ param string $raw_user_email The user ' s email .
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*/
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$user_email = apply_filters ( 'pre_user_email' , $raw_user_email );
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/*
* If there is no update , just check for `email_exists` . If there is an update ,
* check if current email and new email are the same , or not , and check `email_exists`
* accordingly .
*/
if ( ( ! $update || ( ! empty ( $old_user_data ) && $user_email !== $old_user_data -> user_email ) )
&& ! defined ( 'WP_IMPORTING' )
&& email_exists ( $user_email )
) {
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return new WP_Error ( 'existing_user_email' , __ ( 'Sorry, that email address is already used!' ) );
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}
$nickname = empty ( $userdata [ 'nickname' ] ) ? $user_login : $userdata [ 'nickname' ];
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/**
* Filter a user ' s nickname before the user is created or updated .
*
* @ since 2.0 . 3
*
* @ param string $nickname The user ' s nickname .
*/
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$meta [ 'nickname' ] = apply_filters ( 'pre_user_nickname' , $nickname );
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$first_name = empty ( $userdata [ 'first_name' ] ) ? '' : $userdata [ 'first_name' ];
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/**
* Filter a user ' s first name before the user is created or updated .
*
* @ since 2.0 . 3
*
* @ param string $first_name The user ' s first name .
*/
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$meta [ 'first_name' ] = apply_filters ( 'pre_user_first_name' , $first_name );
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$last_name = empty ( $userdata [ 'last_name' ] ) ? '' : $userdata [ 'last_name' ];
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/**
* Filter a user ' s last name before the user is created or updated .
*
* @ since 2.0 . 3
*
* @ param string $last_name The user ' s last name .
*/
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$meta [ 'last_name' ] = apply_filters ( 'pre_user_last_name' , $last_name );
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if ( empty ( $userdata [ 'display_name' ] ) ) {
if ( $update ) {
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$display_name = $user_login ;
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} elseif ( $meta [ 'first_name' ] && $meta [ 'last_name' ] ) {
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/* translators: 1: first name, 2: last name */
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$display_name = sprintf ( _x ( '%1$s %2$s' , 'Display name based on first name and last name' ), $meta [ 'first_name' ], $meta [ 'last_name' ] );
} elseif ( $meta [ 'first_name' ] ) {
$display_name = $meta [ 'first_name' ];
} elseif ( $meta [ 'last_name' ] ) {
$display_name = $meta [ 'last_name' ];
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} else {
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$display_name = $user_login ;
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}
} else {
$display_name = $userdata [ 'display_name' ];
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}
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/**
* Filter a user ' s display name before the user is created or updated .
*
* @ since 2.0 . 3
*
* @ param string $display_name The user ' s display name .
*/
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$display_name = apply_filters ( 'pre_user_display_name' , $display_name );
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$description = empty ( $userdata [ 'description' ] ) ? '' : $userdata [ 'description' ];
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/**
* Filter a user ' s description before the user is created or updated .
*
* @ since 2.0 . 3
*
* @ param string $description The user ' s description .
*/
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$meta [ 'description' ] = apply_filters ( 'pre_user_description' , $description );
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$meta [ 'rich_editing' ] = empty ( $userdata [ 'rich_editing' ] ) ? 'true' : $userdata [ 'rich_editing' ];
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$meta [ 'comment_shortcuts' ] = empty ( $userdata [ 'comment_shortcuts' ] ) || 'false' === $userdata [ 'comment_shortcuts' ] ? 'false' : 'true' ;
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$admin_color = empty ( $userdata [ 'admin_color' ] ) ? 'fresh' : $userdata [ 'admin_color' ];
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$meta [ 'admin_color' ] = preg_replace ( '|[^a-z0-9 _.\-@]|i' , '' , $admin_color );
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$meta [ 'use_ssl' ] = empty ( $userdata [ 'use_ssl' ] ) ? 0 : $userdata [ 'use_ssl' ];
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$user_registered = empty ( $userdata [ 'user_registered' ] ) ? gmdate ( 'Y-m-d H:i:s' ) : $userdata [ 'user_registered' ];
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$meta [ 'show_admin_bar_front' ] = empty ( $userdata [ 'show_admin_bar_front' ] ) ? 'true' : $userdata [ 'show_admin_bar_front' ];
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$user_nicename_check = $wpdb -> get_var ( $wpdb -> prepare ( " SELECT ID FROM $wpdb->users WHERE user_nicename = %s AND user_login != %s LIMIT 1 " , $user_nicename , $user_login ));
if ( $user_nicename_check ) {
$suffix = 2 ;
while ( $user_nicename_check ) {
$alt_user_nicename = $user_nicename . " - $suffix " ;
$user_nicename_check = $wpdb -> get_var ( $wpdb -> prepare ( " SELECT ID FROM $wpdb->users WHERE user_nicename = %s AND user_login != %s LIMIT 1 " , $alt_user_nicename , $user_login ));
$suffix ++ ;
}
$user_nicename = $alt_user_nicename ;
}
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$compacted = compact ( 'user_pass' , 'user_email' , 'user_url' , 'user_nicename' , 'display_name' , 'user_registered' );
$data = wp_unslash ( $compacted );
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if ( $update ) {
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if ( $user_email !== $old_user_data -> user_email ) {
$data [ 'user_activation_key' ] = '' ;
}
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$wpdb -> update ( $wpdb -> users , $data , compact ( 'ID' ) );
$user_id = ( int ) $ID ;
} else {
$wpdb -> insert ( $wpdb -> users , $data + compact ( 'user_login' ) );
$user_id = ( int ) $wpdb -> insert_id ;
}
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$user = new WP_User ( $user_id );
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// Update user meta.
foreach ( $meta as $key => $value ) {
update_user_meta ( $user_id , $key , $value );
}
foreach ( wp_get_user_contact_methods ( $user ) as $key => $value ) {
if ( isset ( $userdata [ $key ] ) ) {
update_user_meta ( $user_id , $key , $userdata [ $key ] );
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}
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}
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if ( isset ( $userdata [ 'role' ] ) ) {
$user -> set_role ( $userdata [ 'role' ] );
} elseif ( ! $update ) {
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$user -> set_role ( get_option ( 'default_role' ));
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}
wp_cache_delete ( $user_id , 'users' );
wp_cache_delete ( $user_login , 'userlogins' );
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if ( $update ) {
/**
* Fires immediately after an existing user is updated .
*
* @ since 2.0 . 0
*
* @ param int $user_id User ID .
* @ param object $old_user_data Object containing user ' s data prior to update .
*/
do_action ( 'profile_update' , $user_id , $old_user_data );
} else {
/**
* Fires immediately after a new user is registered .
*
* @ since 1.5 . 0
*
* @ param int $user_id User ID .
*/
do_action ( 'user_register' , $user_id );
}
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return $user_id ;
}
/**
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* Update a user in the database .
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*
* It is possible to update a user 's password by specifying the ' user_pass '
* value in the $userdata parameter array .
*
* If current user ' s password is being updated , then the cookies will be
* cleared .
*
* @ since 2.0 . 0
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*
* @ see wp_insert_user () For what fields can be set in $userdata .
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*
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* @ param mixed $userdata An array of user data or a user object of type stdClass or WP_User .
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* @ return int | WP_Error The updated user ' s ID or a WP_Error object if the user could not be updated .
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*/
function wp_update_user ( $userdata ) {
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if ( $userdata instanceof stdClass ) {
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$userdata = get_object_vars ( $userdata );
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} elseif ( $userdata instanceof WP_User ) {
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$userdata = $userdata -> to_array ();
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}
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$ID = isset ( $userdata [ 'ID' ] ) ? ( int ) $userdata [ 'ID' ] : 0 ;
if ( ! $ID ) {
return new WP_Error ( 'invalid_user_id' , __ ( 'Invalid user ID.' ) );
}
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// First, get all of the original fields
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$user_obj = get_userdata ( $ID );
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if ( ! $user_obj ) {
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return new WP_Error ( 'invalid_user_id' , __ ( 'Invalid user ID.' ) );
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}
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$user = $user_obj -> to_array ();
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// Add additional custom fields
foreach ( _get_additional_user_keys ( $user_obj ) as $key ) {
$user [ $key ] = get_user_meta ( $ID , $key , true );
}
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// Escape data pulled from DB.
$user = add_magic_quotes ( $user );
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if ( ! empty ( $userdata [ 'user_pass' ]) ) {
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// If password is changing, hash it now
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$plaintext_pass = $userdata [ 'user_pass' ];
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$userdata [ 'user_pass' ] = wp_hash_password ( $userdata [ 'user_pass' ] );
/**
* Filter to stop the sending of the password change email .
*
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* @ since 4.3 . 0
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* @ see wp_insert_user () For $user and $userdata fields .
*
* @ param bool Return false to not send the email .
* @ param array $user The original user array .
* @ param array $userdata The updated user array .
*
*/
$send_pass_change_email = apply_filters ( 'send_pass_change_email' , true , $user , $userdata );
}
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if ( isset ( $userdata [ 'user_email' ] ) && $user [ 'user_email' ] !== $userdata [ 'user_email' ] ) {
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/**
* Filter to stop the sending of the email change email .
*
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* @ since 4.3 . 0
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* @ see wp_insert_user () For $user and $userdata fields .
*
* @ param bool Return false to not send the email .
* @ param array $user The original user array .
* @ param array $userdata The updated user array .
*
*/
$send_email_change_email = apply_filters ( 'send_email_change_email' , true , $user , $userdata );
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}
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wp_cache_delete ( $user [ 'user_email' ], 'useremail' );
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// Merge old and new fields with new fields overwriting old ones.
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$userdata = array_merge ( $user , $userdata );
$user_id = wp_insert_user ( $userdata );
if ( ! is_wp_error ( $user_id ) ) {
$blog_name = wp_specialchars_decode ( get_option ( 'blogname' ) );
if ( ! empty ( $send_pass_change_email ) ) {
/* translators: Do not translate USERNAME, ADMIN_EMAIL, EMAIL, SITENAME, SITEURL: those are placeholders. */
$pass_change_text = __ ( ' Hi ###USERNAME###,
This notice confirms that your password was changed on ###SITENAME###.
If you did not change your password , please contact the Site Administrator at
###ADMIN_EMAIL###
This email has been sent to ###EMAIL###
Regards ,
All at ###SITENAME###
###SITEURL###' );
$pass_change_email = array (
'to' => $user [ 'user_email' ],
'subject' => __ ( '[%s] Notice of Password Change' ),
'message' => $pass_change_text ,
'headers' => '' ,
);
/**
* Filter the email sent when the user ' s password is changed .
*
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* @ since 4.3 . 0
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*
* @ param array $pass_change_email {
* Used to build wp_mail () . https :// developer . wordpress . org / reference / functions / wp_mail /
* @ type string $to The intended recipients . Add emails in a comma separated string .
* @ type string $subject The subject of the email .
* @ type string $message The content of the email .
* The following strings have a special meaning and will get replaced dynamically :
* ###USERNAME### The current user's username.
* ###ADMIN_EMAIL### The admin email in case this was unexpected.
* ###EMAIL### The old email.
* ###SITENAME### The name of the site.
* ###SITEURL### The URL to the site.
* @ type string $headers Headers . Add headers in a newline ( \r\n ) separated string .
* }
* @ param array $user The original user array .
* @ param array $userdata The updated user array .
*
*/
$pass_change_email = apply_filters ( 'password_change_email' , $pass_change_email , $user , $userdata );
$pass_change_email [ 'message' ] = str_replace ( '###USERNAME###' , $user [ 'user_login' ], $pass_change_email [ 'message' ] );
$pass_change_email [ 'message' ] = str_replace ( '###ADMIN_EMAIL###' , get_option ( 'admin_email' ), $pass_change_email [ 'message' ] );
$pass_change_email [ 'message' ] = str_replace ( '###EMAIL###' , $user [ 'user_email' ], $pass_change_email [ 'message' ] );
$pass_change_email [ 'message' ] = str_replace ( '###SITENAME###' , get_option ( 'blogname' ), $pass_change_email [ 'message' ] );
$pass_change_email [ 'message' ] = str_replace ( '###SITEURL###' , get_option ( 'siteurl' ), $pass_change_email [ 'message' ] );
wp_mail ( $pass_change_email [ 'to' ], sprintf ( $pass_change_email [ 'subject' ], $blog_name ), $pass_change_email [ 'message' ], $pass_change_email [ 'headers' ] );
}
if ( ! empty ( $send_email_change_email ) ) {
/* translators: Do not translate USERNAME, ADMIN_EMAIL, EMAIL, SITENAME, SITEURL: those are placeholders. */
$email_change_text = __ ( ' Hi ###USERNAME###,
This notice confirms that your email was changed on ###SITENAME###.
If you did not change your email , please contact the Site Administrator at
###ADMIN_EMAIL###
This email has been sent to ###EMAIL###
Regards ,
All at ###SITENAME###
###SITEURL###' );
$email_change_email = array (
'to' => $user [ 'user_email' ],
'subject' => __ ( '[%s] Notice of Email Change' ),
'message' => $email_change_text ,
'headers' => '' ,
);
/**
* Filter the email sent when the user ' s password is changed .
*
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* @ since 4.3 . 0
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*
* @ param array $email_change_email {
* Used to build wp_mail () . https :// developer . wordpress . org / reference / functions / wp_mail /
* @ type string $to The intended recipients .
* @ type string $subject The subject of the email .
* @ type string $message The content of the email .
* The following strings have a special meaning and will get replaced dynamically :
* ###USERNAME### The current user's username.
* ###ADMIN_EMAIL### The admin email in case this was unexpected.
* ###EMAIL### The old email.
* ###SITENAME### The name of the site.
* ###SITEURL### The URL to the site.
* @ type string $headers Headers .
* }
* @ param array $user The original user array .
* @ param array $userdata The updated user array .
*/
$email_change_email = apply_filters ( 'email_change_email' , $email_change_email , $user , $userdata );
$email_change_email [ 'message' ] = str_replace ( '###USERNAME###' , $user [ 'user_login' ], $email_change_email [ 'message' ] );
$email_change_email [ 'message' ] = str_replace ( '###ADMIN_EMAIL###' , get_option ( 'admin_email' ), $email_change_email [ 'message' ] );
$email_change_email [ 'message' ] = str_replace ( '###EMAIL###' , $user [ 'user_email' ], $email_change_email [ 'message' ] );
$email_change_email [ 'message' ] = str_replace ( '###SITENAME###' , get_option ( 'blogname' ), $email_change_email [ 'message' ] );
$email_change_email [ 'message' ] = str_replace ( '###SITEURL###' , get_option ( 'siteurl' ), $email_change_email [ 'message' ] );
wp_mail ( $email_change_email [ 'to' ], sprintf ( $email_change_email [ 'subject' ], $blog_name ), $email_change_email [ 'message' ], $email_change_email [ 'headers' ] );
}
}
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// Update the cookies if the password changed.
$current_user = wp_get_current_user ();
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if ( $current_user -> ID == $ID ) {
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if ( isset ( $plaintext_pass ) ) {
wp_clear_auth_cookie ();
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// Here we calculate the expiration length of the current auth cookie and compare it to the default expiration.
// If it's greater than this, then we know the user checked 'Remember Me' when they logged in.
$logged_in_cookie = wp_parse_auth_cookie ( '' , 'logged_in' );
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/** This filter is documented in wp-includes/pluggable.php */
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$default_cookie_life = apply_filters ( 'auth_cookie_expiration' , ( 2 * DAY_IN_SECONDS ), $ID , false );
$remember = ( ( $logged_in_cookie [ 'expiration' ] - time () ) > $default_cookie_life );
wp_set_auth_cookie ( $ID , $remember );
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}
}
return $user_id ;
}
/**
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* A simpler way of inserting a user into the database .
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*
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* Creates a new user with just the username , password , and email . For more
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* complex user creation use { @ see wp_insert_user ()} to specify more information .
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*
* @ since 2.0 . 0
* @ see wp_insert_user () More complete way to create a new user
*
* @ param string $username The user ' s username .
* @ param string $password The user ' s password .
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* @ param string $email Optional . The user ' s email . Default empty .
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* @ return int | WP_Error The new user ' s ID .
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*/
function wp_create_user ( $username , $password , $email = '' ) {
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$user_login = wp_slash ( $username );
$user_email = wp_slash ( $email );
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$user_pass = $password ;
$userdata = compact ( 'user_login' , 'user_email' , 'user_pass' );
return wp_insert_user ( $userdata );
}
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/**
* Return a list of meta keys that wp_insert_user () is supposed to set .
*
* @ since 3.3 . 0
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* @ access private
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*
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* @ param WP_User $user WP_User instance .
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* @ return array
*/
function _get_additional_user_keys ( $user ) {
$keys = array ( 'first_name' , 'last_name' , 'nickname' , 'description' , 'rich_editing' , 'comment_shortcuts' , 'admin_color' , 'use_ssl' , 'show_admin_bar_front' );
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return array_merge ( $keys , array_keys ( wp_get_user_contact_methods ( $user ) ) );
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}
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/**
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* Set up the user contact methods .
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*
* Default contact methods were removed in 3.6 . A filter dictates contact methods .
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*
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* @ since 3.7 . 0
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*
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* @ param WP_User $user Optional . WP_User object .
* @ return array Array of contact methods and their labels .
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*/
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function wp_get_user_contact_methods ( $user = null ) {
$methods = array ();
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if ( get_site_option ( 'initial_db_version' ) < 23588 ) {
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$methods = array (
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'aim' => __ ( 'AIM' ),
'yim' => __ ( 'Yahoo IM' ),
'jabber' => __ ( 'Jabber / Google Talk' )
);
}
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/**
* Filter the user contact methods .
*
* @ since 2.9 . 0
*
* @ param array $methods Array of contact methods and their labels .
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* @ param WP_User $user WP_User object .
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*/
return apply_filters ( 'user_contactmethods' , $methods , $user );
}
/**
* The old private function for setting up user contact methods .
*
* @ since 2.9 . 0
* @ access private
*/
function _wp_get_user_contactmethods ( $user = null ) {
return wp_get_user_contact_methods ( $user );
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}
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/**
* Gets the text suggesting how to create strong passwords .
*
* @ since 4.1 . 0
*
* @ return string The password hint text .
*/
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function wp_get_password_hint () {
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$hint = __ ( 'Hint: The password should be at least seven characters long. To make it stronger, use upper and lower case letters, numbers, and symbols like ! " ? $ % ^ & ).' );
/**
* Filter the text describing the site ' s password complexity policy .
*
* @ since 4.1 . 0
*
* @ param string $hint The password hint text .
*/
return apply_filters ( 'password_hint' , $hint );
}
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/**
* Retrieves a user row based on password reset key and login
*
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* A key is considered 'expired' if it exactly matches the value of the
* user_activation_key field , rather than being matched after going through the
* hashing process . This field is now hashed ; old values are no longer accepted
* but have a different WP_Error code so good user feedback can be provided .
*
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* @ since 3.1 . 0
*
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* @ global wpdb $wpdb WordPress database object for queries .
* @ global PasswordHash $wp_hasher Portable PHP password hashing framework instance .
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*
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* @ param string $key Hash to validate sending user ' s password .
* @ param string $login The user login .
* @ return WP_User | WP_Error WP_User object on success , WP_Error object for invalid or expired keys .
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*/
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function check_password_reset_key ( $key , $login ) {
global $wpdb , $wp_hasher ;
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$key = preg_replace ( '/[^a-z0-9]/i' , '' , $key );
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if ( empty ( $key ) || ! is_string ( $key ) )
return new WP_Error ( 'invalid_key' , __ ( 'Invalid key' ));
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if ( empty ( $login ) || ! is_string ( $login ) )
return new WP_Error ( 'invalid_key' , __ ( 'Invalid key' ));
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$row = $wpdb -> get_row ( $wpdb -> prepare ( " SELECT ID, user_activation_key FROM $wpdb->users WHERE user_login = %s " , $login ) );
if ( ! $row )
return new WP_Error ( 'invalid_key' , __ ( 'Invalid key' ));
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if ( empty ( $wp_hasher ) ) {
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require_once ABSPATH . WPINC . '/class-phpass.php' ;
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$wp_hasher = new PasswordHash ( 8 , true );
}
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/**
* Filter the expiration time of password reset keys .
*
* @ since 4.3 . 0
*
* @ param int $expiration The expiration time in seconds .
*/
$expiration_duration = apply_filters ( 'password_reset_expiration' , DAY_IN_SECONDS );
if ( false !== strpos ( $row -> user_activation_key , ':' ) ) {
list ( $pass_request_time , $pass_key ) = explode ( ':' , $row -> user_activation_key , 2 );
$expiration_time = $pass_request_time + $expiration_duration ;
} else {
$pass_key = $row -> user_activation_key ;
$expiration_time = false ;
}
$hash_is_correct = $wp_hasher -> CheckPassword ( $key , $pass_key );
if ( $hash_is_correct && $expiration_time && time () < $expiration_time ) {
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return get_userdata ( $row -> ID );
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} elseif ( $hash_is_correct && $expiration_time ) {
// Key has an expiration time that's passed
return new WP_Error ( 'expired_key' , __ ( 'Invalid key' ) );
}
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if ( hash_equals ( $row -> user_activation_key , $key ) || ( $hash_is_correct && ! $expiration_time ) ) {
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$return = new WP_Error ( 'expired_key' , __ ( 'Invalid key' ) );
$user_id = $row -> ID ;
/**
* Filter the return value of check_password_reset_key () when an
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* old - style key is used .
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*
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* @ since 3.7 . 0 Previously plain - text keys were stored in the database .
* @ since 4.3 . 0 Previously key hashes were stored without an expiration time .
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*
* @ param WP_Error $return A WP_Error object denoting an expired key .
* Return a WP_User object to validate the key .
* @ param int $user_id The matched user ID .
*/
return apply_filters ( 'password_reset_key_expired' , $return , $user_id );
}
return new WP_Error ( 'invalid_key' , __ ( 'Invalid key' ) );
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}
/**
* Handles resetting the user ' s password .
*
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* @ since 2.5 . 0
*
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* @ param object $user The user
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* @ param string $new_pass New password for the user in plaintext
*/
function reset_password ( $user , $new_pass ) {
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/**
* Fires before the user ' s password is reset .
*
* @ since 1.5 . 0
*
* @ param object $user The user .
* @ param string $new_pass New user password .
*/
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do_action ( 'password_reset' , $user , $new_pass );
wp_set_password ( $new_pass , $user -> ID );
update_user_option ( $user -> ID , 'default_password_nag' , false , true );
wp_password_change_notification ( $user );
}
/**
* Handles registering a new user .
*
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* @ since 2.5 . 0
*
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* @ param string $user_login User ' s username for logging in
* @ param string $user_email User ' s email address to send password and add
* @ return int | WP_Error Either user ' s ID or error on failure .
*/
function register_new_user ( $user_login , $user_email ) {
$errors = new WP_Error ();
$sanitized_user_login = sanitize_user ( $user_login );
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/**
* Filter the email address of a user being registered .
*
* @ since 2.1 . 0
*
* @ param string $user_email The email address of the new user .
*/
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$user_email = apply_filters ( 'user_registration_email' , $user_email );
// Check the username
if ( $sanitized_user_login == '' ) {
$errors -> add ( 'empty_username' , __ ( '<strong>ERROR</strong>: Please enter a username.' ) );
} elseif ( ! validate_username ( $user_login ) ) {
$errors -> add ( 'invalid_username' , __ ( '<strong>ERROR</strong>: This username is invalid because it uses illegal characters. Please enter a valid username.' ) );
$sanitized_user_login = '' ;
} elseif ( username_exists ( $sanitized_user_login ) ) {
$errors -> add ( 'username_exists' , __ ( '<strong>ERROR</strong>: This username is already registered. Please choose another one.' ) );
}
// Check the e-mail address
if ( $user_email == '' ) {
$errors -> add ( 'empty_email' , __ ( '<strong>ERROR</strong>: Please type your e-mail address.' ) );
} elseif ( ! is_email ( $user_email ) ) {
$errors -> add ( 'invalid_email' , __ ( '<strong>ERROR</strong>: The email address isn’t correct.' ) );
$user_email = '' ;
} elseif ( email_exists ( $user_email ) ) {
$errors -> add ( 'email_exists' , __ ( '<strong>ERROR</strong>: This email is already registered, please choose another one.' ) );
}
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/**
* Fires when submitting registration form data , before the user is created .
*
* @ since 2.1 . 0
*
* @ param string $sanitized_user_login The submitted username after being sanitized .
* @ param string $user_email The submitted email .
* @ param WP_Error $errors Contains any errors with submitted username and email ,
* e . g . , an empty field , an invalid username or email ,
* or an existing username or email .
*/
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do_action ( 'register_post' , $sanitized_user_login , $user_email , $errors );
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/**
* Filter the errors encountered when a new user is being registered .
*
* The filtered WP_Error object may , for example , contain errors for an invalid
* or existing username or email address . A WP_Error object should always returned ,
* but may or may not contain errors .
*
* If any errors are present in $errors , this will abort the user ' s registration .
*
* @ since 2.1 . 0
*
* @ param WP_Error $errors A WP_Error object containing any errors encountered
* during registration .
* @ param string $sanitized_user_login User ' s username after it has been sanitized .
* @ param string $user_email User ' s email .
*/
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$errors = apply_filters ( 'registration_errors' , $errors , $sanitized_user_login , $user_email );
if ( $errors -> get_error_code () )
return $errors ;
$user_pass = wp_generate_password ( 12 , false );
$user_id = wp_create_user ( $sanitized_user_login , $user_pass , $user_email );
if ( ! $user_id || is_wp_error ( $user_id ) ) {
$errors -> add ( 'registerfail' , sprintf ( __ ( '<strong>ERROR</strong>: Couldn’t register you… please contact the <a href="mailto:%s">webmaster</a> !' ), get_option ( 'admin_email' ) ) );
return $errors ;
}
update_user_option ( $user_id , 'default_password_nag' , true , true ); //Set up the Password change nag.
wp_new_user_notification ( $user_id , $user_pass );
return $user_id ;
}
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/**
* Retrieve the current session token from the logged_in cookie .
*
* @ since 4.0 . 0
*
* @ return string Token .
*/
function wp_get_session_token () {
$cookie = wp_parse_auth_cookie ( '' , 'logged_in' );
return ! empty ( $cookie [ 'token' ] ) ? $cookie [ 'token' ] : '' ;
}
/**
* Retrieve a list of sessions for the current user .
*
* @ since 4.0 . 0
* @ return array Array of sessions .
*/
function wp_get_all_sessions () {
$manager = WP_Session_Tokens :: get_instance ( get_current_user_id () );
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return $manager -> get_all ();
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}
/**
* Remove the current session token from the database .
*
* @ since 4.0 . 0
*/
function wp_destroy_current_session () {
$token = wp_get_session_token ();
if ( $token ) {
$manager = WP_Session_Tokens :: get_instance ( get_current_user_id () );
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$manager -> destroy ( $token );
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}
}
/**
* Remove all but the current session token for the current user for the database .
*
* @ since 4.0 . 0
*/
function wp_destroy_other_sessions () {
$token = wp_get_session_token ();
if ( $token ) {
$manager = WP_Session_Tokens :: get_instance ( get_current_user_id () );
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$manager -> destroy_others ( $token );
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}
}
/**
* Remove all session tokens for the current user from the database .
*
* @ since 4.0 . 0
*/
function wp_destroy_all_sessions () {
$manager = WP_Session_Tokens :: get_instance ( get_current_user_id () );
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$manager -> destroy_all ();
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}