mirror of
https://github.com/WordPress/WordPress.git
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b5008205b5
git-svn-id: http://svn.automattic.com/wordpress/trunk@15671 1a063a9b-81f0-0310-95a4-ce76da25c4cd
1277 lines
37 KiB
PHP
1277 lines
37 KiB
PHP
<?php
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/**
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* WordPress User API
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*
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* @package WordPress
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*/
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/**
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* Authenticate user with remember capability.
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*
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* The credentials is an array that has 'user_login', 'user_password', and
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* 'remember' indices. If the credentials is not given, then the log in form
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* will be assumed and used if set.
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*
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* The various authentication cookies will be set by this function and will be
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* set for a longer period depending on if the 'remember' credential is set to
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* true.
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*
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* @since 2.5.0
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*
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* @param array $credentials Optional. User info in order to sign on.
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* @param bool $secure_cookie Optional. Whether to use secure cookie.
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* @return object Either WP_Error on failure, or WP_User on success.
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*/
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function wp_signon( $credentials = '', $secure_cookie = '' ) {
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if ( empty($credentials) ) {
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if ( ! empty($_POST['log']) )
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$credentials['user_login'] = $_POST['log'];
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if ( ! empty($_POST['pwd']) )
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$credentials['user_password'] = $_POST['pwd'];
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if ( ! empty($_POST['rememberme']) )
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$credentials['remember'] = $_POST['rememberme'];
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}
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if ( !empty($credentials['remember']) )
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$credentials['remember'] = true;
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else
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$credentials['remember'] = false;
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// TODO do we deprecate the wp_authentication action?
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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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global $auth_secure_cookie; // XXX ugly hack to pass this to wp_authenticate_cookie
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$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) ) {
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if ( $user->get_error_codes() == array('empty_username', 'empty_password') ) {
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$user = new WP_Error('', '');
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}
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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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do_action('wp_login', $credentials['user_login']);
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return $user;
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}
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/**
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* Authenticate the user using the username and password.
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*/
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add_filter('authenticate', 'wp_authenticate_username_password', 20, 3);
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function wp_authenticate_username_password($user, $username, $password) {
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if ( is_a($user, 'WP_User') ) { return $user; }
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if ( empty($username) || empty($password) ) {
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$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 $error;
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}
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$userdata = get_user_by('login', $username);
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if ( !$userdata )
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return new WP_Error('invalid_username', sprintf(__('<strong>ERROR</strong>: Invalid username. <a href="%s" title="Password Lost and Found">Lost your password</a>?'), site_url('wp-login.php?action=lostpassword', 'login')));
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if ( is_multisite() ) {
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// Is user marked as spam?
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if ( 1 == $userdata->spam)
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return new WP_Error('invalid_username', __('<strong>ERROR</strong>: Your account has been marked as a spammer.'));
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// Is a user's blog marked as spam?
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if ( !is_super_admin( $userdata->ID ) && isset($userdata->primary_blog) ) {
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$details = get_blog_details( $userdata->primary_blog );
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if ( is_object( $details ) && $details->spam == 1 )
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return new WP_Error('blog_suspended', __('Site Suspended.'));
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}
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}
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$userdata = apply_filters('wp_authenticate_user', $userdata, $password);
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if ( is_wp_error($userdata) )
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return $userdata;
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if ( !wp_check_password($password, $userdata->user_pass, $userdata->ID) )
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return new WP_Error('incorrect_password', sprintf(__('<strong>ERROR</strong>: Incorrect password. <a href="%s" title="Password Lost and Found">Lost your password</a>?'), site_url('wp-login.php?action=lostpassword', 'login')));
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$user = new WP_User($userdata->ID);
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return $user;
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}
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/**
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* Authenticate the user using the WordPress auth cookie.
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*/
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function wp_authenticate_cookie($user, $username, $password) {
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if ( is_a($user, 'WP_User') ) { return $user; }
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if ( empty($username) && empty($password) ) {
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$user_id = wp_validate_auth_cookie();
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if ( $user_id )
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return new WP_User($user_id);
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global $auth_secure_cookie;
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if ( $auth_secure_cookie )
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$auth_cookie = SECURE_AUTH_COOKIE;
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else
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$auth_cookie = AUTH_COOKIE;
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if ( !empty($_COOKIE[$auth_cookie]) )
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return new WP_Error('expired_session', __('Please log in again.'));
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// If the cookie is not set, be silent.
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}
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return $user;
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}
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/**
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* Number of posts user has written.
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*
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* @since 3.0.0
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* @uses $wpdb WordPress database object for queries.
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*
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* @param int $userid User ID.
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* @return int Amount of posts user has written.
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*/
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function count_user_posts($userid) {
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global $wpdb;
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$where = get_posts_by_author_sql('post', TRUE, $userid);
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$count = $wpdb->get_var( "SELECT COUNT(*) FROM $wpdb->posts $where" );
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return apply_filters('get_usernumposts', $count, $userid);
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}
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/**
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* Number of posts written by a list of users.
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*
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* @since 3.0.0
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* @param array $users User ID number list.
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* @return array Amount of posts each user has written.
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*/
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function count_many_users_posts($users) {
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global $wpdb;
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$count = array();
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if ( ! is_array($users) || empty( $users ) )
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return $count;
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$userlist = implode( ',', $users );
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$where = get_posts_by_author_sql( 'post' );
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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 $row ) {
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$count[ $row[0] ] = $row[1];
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}
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foreach ( $users as $id ) {
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if ( ! isset( $count[ $id ] ) )
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$count[ $id ] = 0;
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}
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return $count;
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}
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/**
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* Check that the user login name and password is correct.
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*
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* @since 0.71
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* @todo xmlrpc only. Maybe move to xmlrpc.php.
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*
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* @param string $user_login User name.
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* @param string $user_pass User password.
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* @return bool False if does not authenticate, true if username and password authenticates.
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*/
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function user_pass_ok($user_login, $user_pass) {
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$user = wp_authenticate($user_login, $user_pass);
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if ( is_wp_error($user) )
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return false;
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return true;
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}
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//
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// User option functions
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//
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/**
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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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* @uses wp_get_current_user
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*
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* @return int The current user's ID
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*/
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function get_current_user_id() {
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$user = wp_get_current_user();
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return ( isset( $user->ID ) ? (int) $user->ID : 0 );
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}
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/**
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* Retrieve user option that can be either per Site or per Network.
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*
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* If the user ID is not given, then the current user will be used instead. If
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* the user ID is given, then the user data will be retrieved. The filter for
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* the result, will also pass the original option name and finally the user data
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* object as the third parameter.
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*
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* The option will first check for the per site name and then the per Network name.
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*
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* @since 2.0.0
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* @uses $wpdb WordPress database object for queries.
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* @uses apply_filters() Calls 'get_user_option_$option' hook with result,
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* option parameter, and user data object.
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*
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* @param string $option User option name.
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* @param int $user Optional. User ID.
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* @param bool $deprecated Use get_option() to check for an option in the options table.
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* @return mixed
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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( $deprecated ) )
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_deprecated_argument( __FUNCTION__, '3.0' );
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if ( empty($user) ) {
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$user = wp_get_current_user();
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$user = $user->ID;
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}
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$user = get_userdata($user);
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// Keys used as object vars cannot have dashes.
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$key = str_replace('-', '', $option);
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if ( isset( $user->{$wpdb->prefix . $key} ) ) // Blog specific
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$result = $user->{$wpdb->prefix . $key};
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elseif ( isset( $user->{$key} ) ) // User specific and cross-blog
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$result = $user->{$key};
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else
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$result = false;
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return apply_filters("get_user_option_{$option}", $result, $option, $user);
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}
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/**
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* Update user option with global blog capability.
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*
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* 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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*
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* Deletes the user option if $newvalue is empty.
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*
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* @since 2.0.0
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* @uses $wpdb WordPress database object for queries
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*
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* @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.
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* @param bool $global Optional. Whether option name is global or blog specific. Default false (blog specific).
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* @return unknown
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*/
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function update_user_option( $user_id, $option_name, $newvalue, $global = false ) {
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global $wpdb;
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if ( !$global )
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$option_name = $wpdb->prefix . $option_name;
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// For backward compatibility. See differences between update_user_meta() and deprecated update_usermeta().
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// http://core.trac.wordpress.org/ticket/13088
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if ( is_null( $newvalue ) || is_scalar( $newvalue ) && empty( $newvalue ) )
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return delete_user_meta( $user_id, $option_name );
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return update_user_meta( $user_id, $option_name, $newvalue );
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}
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/**
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* Delete user option with global blog capability.
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*
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* 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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*
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* @since 3.0.0
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* @uses $wpdb WordPress database object for queries
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*
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* @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).
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* @return unknown
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*/
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function delete_user_option( $user_id, $option_name, $global = false ) {
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global $wpdb;
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if ( !$global )
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$option_name = $wpdb->prefix . $option_name;
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return delete_user_meta( $user_id, $option_name );
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}
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/**
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* WordPress User Query class.
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*
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* @since 3.1.0
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*/
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class WP_User_Query {
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/**
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* List of found user ids
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*
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* @since 3.1.0
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* @access private
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* @var array
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*/
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var $results;
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/**
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* Total number of found users for the current query
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*
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* @since 3.1.0
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* @access private
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* @var int
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*/
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var $total_users = 0;
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// SQL pieces
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var $query_from;
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var $query_where;
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var $query_orderby;
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var $query_limit;
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/**
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* PHP4 constructor
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*/
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function WP_User_Query( $query = null ) {
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$this->__construct( $query );
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}
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/**
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* PHP5 constructor
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*
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* @since 3.1.0
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*
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* @param string|array $args The query variables
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* @return WP_User_Query
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*/
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function __construct( $query = null ) {
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if ( !empty( $query ) ) {
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$this->query_vars = wp_parse_args( $query, array(
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'role' => '', 'blog_id' => $GLOBALS['blog_id'],
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'meta_key' => '', 'meta_value' => '', 'meta_compare' => '',
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'include' => array(), 'exclude' => array(),
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'search' => '',
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'orderby' => 'login', 'order' => 'ASC',
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'offset' => '', 'number' => '', 'count_total' => true,
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'fields' => 'all',
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) );
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$this->prepare_query();
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$this->query();
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}
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}
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/**
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* Prepare the query variables
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*
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* @since 3.1.0
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* @access private
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*/
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function prepare_query() {
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global $wpdb;
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$qv = &$this->query_vars;
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$this->query_from = " FROM $wpdb->users";
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$this->query_where = " WHERE 1=1";
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// sorting
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if ( in_array( $qv['orderby'], array('email', 'url', 'registered') ) ) {
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$orderby = 'user_' . $qv['orderby'];
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}
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elseif ( 'name' == $qv['orderby'] ) {
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$orderby = 'display_name';
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}
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elseif ( 'post_count' == $qv['orderby'] ) {
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$where = get_posts_by_author_sql('post');
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$this->query_from .= " LEFT OUTER JOIN (
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SELECT post_author, COUNT(*) as post_count
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FROM wp_posts
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$where
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GROUP BY post_author
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) p ON (wp_users.ID = p.post_author)
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";
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$orderby = 'post_count';
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}
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else {
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$orderby = 'user_login';
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}
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$qv['order'] = strtoupper( $qv['order'] );
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if ( 'ASC' == $qv['order'] )
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$order = 'ASC';
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else
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$order = 'DESC';
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$this->query_orderby = " ORDER BY $orderby $order";
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// limit
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if ( $qv['number'] ) {
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if ( $qv['offset'] )
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$this->query_limit = $wpdb->prepare(" LIMIT %d, %d", $qv['offset'], $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 = trim( $qv['search'] );
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if ( $search ) {
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$this->query_where .= _wp_search_sql( $search, array('user_login', 'user_nicename', 'user_email', 'user_url', 'display_name') );
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}
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$role = trim( $qv['role'] );
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$blog_id = absint( $qv['blog_id'] );
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$meta_queries = array();
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if ( $blog_id ) {
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$cap_meta_query = array();
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$cap_meta_query['meta_key'] = $wpdb->get_blog_prefix( $blog_id ) . 'capabilities';
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if ( $role ) {
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$cap_meta_query['meta_value'] = $role;
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$cap_meta_query['meta_compare'] = 'like';
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}
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$meta_queries[] = $cap_meta_query;
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}
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$meta_queries[] = wp_array_slice_assoc( $qv, array( 'meta_key', 'meta_value', 'meta_compare' ) );
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list( $meta_join, $meta_where ) = _wp_meta_sql( $meta_queries, $wpdb->users, 'ID', $wpdb->usermeta, 'user_id' );
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$this->query_from .= $meta_join;
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$this->query_where .= $meta_where;
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if ( !empty($qv['include']) ) {
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$ids = implode( ',', wp_parse_id_list( $qv['include'] ) );
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$this->query_where .= " AND $wpdb->users.ID IN ($ids)";
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}
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elseif ( !empty($qv['exclude']) ) {
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$ids = implode( ',', wp_parse_id_list( $qv['exclude'] ) );
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$this->query_where .= " AND $wpdb->users.ID NOT IN ($ids)";
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}
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do_action_ref_array( 'pre_user_query', array( &$this ) );
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}
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/**
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* Execute the query, with the current variables
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*
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* @since 3.1.0
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* @access private
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*/
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function query() {
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global $wpdb;
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$this->results = $wpdb->get_col("SELECT $wpdb->users.ID" . $this->query_from . $this->query_where . $this->query_orderby . $this->query_limit);
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if ( !$this->results )
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return;
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if ( $this->query_vars['count_total'] )
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$this->total_users = $wpdb->get_var("SELECT COUNT($wpdb->users.ID)" . $this->query_from . $this->query_where);
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if ( 'all' == $this->query_vars['fields'] ) {
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cache_users($this->results);
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$r = array();
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foreach ( $this->results as $userid )
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$r[ $userid ] = new WP_User( $userid, '', $this->query_vars['blog_id'] );
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$this->results = $r;
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|
}
|
|
}
|
|
|
|
/**
|
|
* Return the list of users
|
|
*
|
|
* @since 3.1.0
|
|
* @access public
|
|
*
|
|
* @return array
|
|
*/
|
|
function get_results() {
|
|
return $this->results;
|
|
}
|
|
|
|
/**
|
|
* Return the total number of users for the current query
|
|
*
|
|
* @since 3.1.0
|
|
* @access public
|
|
*
|
|
* @return array
|
|
*/
|
|
function get_total() {
|
|
return $this->total_users;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Retrieve list of users matching criteria.
|
|
*
|
|
* @since 3.1.0
|
|
* @uses $wpdb
|
|
* @uses WP_User_Query See for default arguments and information.
|
|
*
|
|
* @param array $args
|
|
* @return array List of users.
|
|
*/
|
|
function get_users( $args ) {
|
|
|
|
$args = wp_parse_args( $args );
|
|
$args['count_total'] = false;
|
|
|
|
$user_search = new WP_User_Query($args);
|
|
|
|
return (array) $user_search->get_results();
|
|
}
|
|
|
|
/**
|
|
* Get users for the blog.
|
|
*
|
|
* For setups that use the multi-blog feature. Can be used outside of the
|
|
* multi-blog feature.
|
|
*
|
|
* @since 2.2.0
|
|
* @uses get_users() for queries
|
|
* @uses $blog_id The Blog id of the blog for those that use more than one blog
|
|
*
|
|
* @param int $id Blog ID.
|
|
* @return array List of users that are part of that Blog ID
|
|
*/
|
|
function get_users_of_blog( $id = '' ) {
|
|
global $blog_id;
|
|
|
|
if ( empty($id) )
|
|
$id = (int) $blog_id;
|
|
|
|
return get_users( array( 'blog_id' => $id ) );
|
|
}
|
|
|
|
/**
|
|
* Get the blogs a user belong to.
|
|
*
|
|
* $since 3.0.0
|
|
*
|
|
* @param int $id User Id
|
|
* @param bool $all Whether to retrieve all blog details or an abbreviated set of details. Default is abbreviated.
|
|
* @return array A list of the user's blogs.
|
|
*/
|
|
function get_blogs_of_user( $id, $all = false ) {
|
|
global $wpdb;
|
|
|
|
if ( !is_multisite() ) {
|
|
global $blog_id;
|
|
$blogs = array();
|
|
$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');
|
|
return $blogs;
|
|
}
|
|
|
|
$cache_suffix = $all ? '_all' : '_short';
|
|
$return = wp_cache_get( 'blogs_of_user_' . $id . $cache_suffix, 'users' );
|
|
if ( $return )
|
|
return apply_filters( 'get_blogs_of_user', $return, $id, $all );
|
|
|
|
$user = get_userdata( (int) $id );
|
|
if ( !$user )
|
|
return false;
|
|
|
|
$blogs = $match = array();
|
|
$prefix_length = strlen($wpdb->base_prefix);
|
|
foreach ( (array) $user as $key => $value ) {
|
|
if ( $prefix_length && substr($key, 0, $prefix_length) != $wpdb->base_prefix )
|
|
continue;
|
|
if ( substr($key, -12, 12) != 'capabilities' )
|
|
continue;
|
|
if ( preg_match( '/^' . $wpdb->base_prefix . '((\d+)_)?capabilities$/', $key, $match ) ) {
|
|
if ( count( $match ) > 2 )
|
|
$blog_id = $match[ 2 ];
|
|
else
|
|
$blog_id = 1;
|
|
$blog = get_blog_details( $blog_id );
|
|
if ( $blog && isset( $blog->domain ) && ( $all == true || $all == false && ( $blog->archived == 0 && $blog->spam == 0 && $blog->deleted == 0 ) ) ) {
|
|
$blogs[ $blog_id ]->userblog_id = $blog_id;
|
|
$blogs[ $blog_id ]->blogname = $blog->blogname;
|
|
$blogs[ $blog_id ]->domain = $blog->domain;
|
|
$blogs[ $blog_id ]->path = $blog->path;
|
|
$blogs[ $blog_id ]->site_id = $blog->site_id;
|
|
$blogs[ $blog_id ]->siteurl = $blog->siteurl;
|
|
}
|
|
}
|
|
}
|
|
|
|
wp_cache_add( 'blogs_of_user_' . $id . $cache_suffix, $blogs, 'users', 5 );
|
|
return apply_filters( 'get_blogs_of_user', $blogs, $id, $all );
|
|
}
|
|
|
|
function get_ordered_blogs_of_user( $user_id, $visibility = true ) {
|
|
$newblogs = $ordered = array();
|
|
$blogs = get_blogs_of_user( $user_id );
|
|
$order_meta = get_user_meta( $user_id, 'blog_order' );
|
|
$visible_meta = get_user_meta( $user_id, 'blog_visibility' );
|
|
|
|
$order = $order_meta;
|
|
if ( !is_array( $order ) )
|
|
$order = array();
|
|
|
|
$visible = $visible_meta;
|
|
if ( !is_array( $visible ) )
|
|
$visible = array();
|
|
|
|
// Index the blogs by userblog_id and set the visibility flag
|
|
// Visibility is on by default, unless a linked site then off
|
|
foreach ( $blogs AS $blog ) {
|
|
$blog->visible = true;
|
|
|
|
if ( isset( $visible[$blog->userblog_id] ) )
|
|
$blog->visible = $visible[$blog->userblog_id];
|
|
|
|
$newblogs[$blog->userblog_id] = $blog;
|
|
}
|
|
|
|
// Add the blogs to our list by order
|
|
foreach ( (array)$order AS $id ) {
|
|
// A previous change was saving the entire blog details into ordered, not just the blog ID - this detects it
|
|
if ( is_object( $id ) && isset( $id->userblog_id ) )
|
|
$id = $id->userblog_id;
|
|
|
|
if ( is_numeric( $id ) && isset( $newblogs[intval( $id )] ) ) {
|
|
$ordered[$id] = $newblogs[$id];
|
|
unset( $newblogs[$id] );
|
|
}
|
|
}
|
|
|
|
// Add any blog not yet ordered to the end
|
|
foreach ( $newblogs AS $blog ) {
|
|
$ordered[$blog->userblog_id] = $blog;
|
|
}
|
|
|
|
// If we're only interested in visible blogs then remove the rest
|
|
if ( $visibility ) {
|
|
foreach ( (array)$ordered AS $pos => $blog ) {
|
|
if ( $blog->visible == false )
|
|
unset( $ordered[$pos] );
|
|
}
|
|
}
|
|
|
|
/*
|
|
// Set the order and visible options if the user doesn't have any,
|
|
// but rate limit it so that the global DB doesn't get hammered
|
|
if ( !is_array( $order_meta ) && ( 1 == mt_rand( 1, 10 ) ) )
|
|
update_usermeta( $user_id, 'blog_order', array() );
|
|
|
|
if ( !is_array( $visible_meta ) && ( 1 == mt_rand( 1, 10 ) ) )
|
|
update_usermeta( $user_id, 'blog_visibility', array() );
|
|
*/
|
|
|
|
return apply_filters( 'ordered_blogs', $ordered );
|
|
}
|
|
|
|
function set_blog_visibility( $blog_id, $visible ) {
|
|
global $current_user;
|
|
|
|
if ( is_blog_user( $blog_id ) ) {
|
|
$visibility = get_user_meta( $current_user->ID, 'blog_visibility' );
|
|
if ( !is_array( $visibility ) )
|
|
$visibility = array();
|
|
|
|
$visibility[$blog_id] = $visible;
|
|
|
|
update_user_meta( $current_user->ID, 'blog_visibility', $visibility );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Checks if the current user belong to a given blog.
|
|
*
|
|
* @since 3.0.0
|
|
*
|
|
* @param int $blog_id Blog ID
|
|
* @return bool True if the current users belong to $blog_id, false if not.
|
|
*/
|
|
function is_blog_user( $blog_id = 0 ) {
|
|
global $wpdb;
|
|
|
|
$current_user = wp_get_current_user();
|
|
if ( !$blog_id )
|
|
$blog_id = $wpdb->blogid;
|
|
|
|
$cap_key = $wpdb->base_prefix . $blog_id . '_capabilities';
|
|
|
|
if ( is_array($current_user->$cap_key) && in_array(1, $current_user->$cap_key) )
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Add meta data field to a user.
|
|
*
|
|
* Post meta data is called "Custom Fields" on the Administration Panels.
|
|
*
|
|
* @since 3.0.0
|
|
* @uses add_metadata()
|
|
* @link http://codex.wordpress.org/Function_Reference/add_user_meta
|
|
*
|
|
* @param int $user_id Post ID.
|
|
* @param string $meta_key Metadata name.
|
|
* @param mixed $meta_value Metadata value.
|
|
* @param bool $unique Optional, default is false. Whether the same key should not be added.
|
|
* @return bool False for failure. True for success.
|
|
*/
|
|
function add_user_meta($user_id, $meta_key, $meta_value, $unique = false) {
|
|
return add_metadata('user', $user_id, $meta_key, $meta_value, $unique);
|
|
}
|
|
|
|
/**
|
|
* Remove metadata matching criteria from a user.
|
|
*
|
|
* 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.
|
|
*
|
|
* @since 3.0.0
|
|
* @uses delete_metadata()
|
|
* @link http://codex.wordpress.org/Function_Reference/delete_user_meta
|
|
*
|
|
* @param int $user_id user ID
|
|
* @param string $meta_key Metadata name.
|
|
* @param mixed $meta_value Optional. Metadata value.
|
|
* @return bool False for failure. True for success.
|
|
*/
|
|
function delete_user_meta($user_id, $meta_key, $meta_value = '') {
|
|
return delete_metadata('user', $user_id, $meta_key, $meta_value);
|
|
}
|
|
|
|
/**
|
|
* Retrieve user meta field for a user.
|
|
*
|
|
* @since 3.0.0
|
|
* @uses get_metadata()
|
|
* @link http://codex.wordpress.org/Function_Reference/get_user_meta
|
|
*
|
|
* @param int $user_id Post ID.
|
|
* @param string $key The meta key to retrieve.
|
|
* @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 $single
|
|
* is true.
|
|
*/
|
|
function get_user_meta($user_id, $key, $single = false) {
|
|
return get_metadata('user', $user_id, $key, $single);
|
|
}
|
|
|
|
/**
|
|
* Update user meta field based on user ID.
|
|
*
|
|
* Use the $prev_value parameter to differentiate between meta fields with the
|
|
* same key and user ID.
|
|
*
|
|
* If the meta field for the user does not exist, it will be added.
|
|
*
|
|
* @since 3.0.0
|
|
* @uses update_metadata
|
|
* @link http://codex.wordpress.org/Function_Reference/update_user_meta
|
|
*
|
|
* @param int $user_id Post ID.
|
|
* @param string $meta_key Metadata key.
|
|
* @param mixed $meta_value Metadata value.
|
|
* @param mixed $prev_value Optional. Previous value to check before removing.
|
|
* @return bool False on failure, true if success.
|
|
*/
|
|
function update_user_meta($user_id, $meta_key, $meta_value, $prev_value = '') {
|
|
return update_metadata('user', $user_id, $meta_key, $meta_value, $prev_value);
|
|
}
|
|
|
|
/**
|
|
* Count number of users who have each of the user roles.
|
|
*
|
|
* Assumes there are neither duplicated nor orphaned capabilities meta_values.
|
|
* Assumes role names are unique phrases. Same assumption made by WP_User_Query::prepare_query()
|
|
* 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
|
|
* @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') {
|
|
global $wpdb, $blog_id, $wp_roles;
|
|
|
|
// Initialize
|
|
$id = (int) $blog_id;
|
|
$blog_prefix = $wpdb->get_blog_prefix($id);
|
|
$result = array();
|
|
|
|
if ( 'time' == $strategy ) {
|
|
global $wp_roles;
|
|
|
|
if ( ! isset( $wp_roles ) )
|
|
$wp_roles = new WP_Roles();
|
|
|
|
$avail_roles = $wp_roles->get_names();
|
|
|
|
// Build a CPU-intensive query that will return concise information.
|
|
$select_count = array();
|
|
foreach ( $avail_roles as $this_role => $name ) {
|
|
$select_count[] = "COUNT(NULLIF(`meta_value` LIKE '%" . like_escape($this_role) . "%', FALSE))";
|
|
}
|
|
$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 ) {
|
|
$b_roles = unserialize($caps_meta);
|
|
if ( is_array($b_roles) ) {
|
|
foreach ( $b_roles as $b_role => $val ) {
|
|
if ( isset($avail_roles[$b_role]) ) {
|
|
$avail_roles[$b_role]++;
|
|
} else {
|
|
$avail_roles[$b_role] = 1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
$result['total_users'] = count( $users_of_blog );
|
|
$result['avail_roles'] =& $avail_roles;
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
//
|
|
// Private helper functions
|
|
//
|
|
|
|
/**
|
|
* Set up global user vars.
|
|
*
|
|
* Used by wp_set_current_user() for back compat. Might be deprecated in the future.
|
|
*
|
|
* @since 2.0.4
|
|
* @global string $userdata User description.
|
|
* @global string $user_login The user username for logging in
|
|
* @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
|
|
* @global string $user_pass_md5 MD5 of the user's password
|
|
* @global string $user_identity The display name of the user
|
|
*
|
|
* @param int $for_user_id Optional. User ID to set up global data.
|
|
*/
|
|
function setup_userdata($for_user_id = '') {
|
|
global $user_login, $userdata, $user_level, $user_ID, $user_email, $user_url, $user_pass_md5, $user_identity;
|
|
|
|
if ( '' == $for_user_id )
|
|
$user = wp_get_current_user();
|
|
else
|
|
$user = new WP_User($for_user_id);
|
|
|
|
$userdata = $user->data;
|
|
$user_ID = (int) $user->ID;
|
|
$user_level = (int) isset($user->user_level) ? $user->user_level : 0;
|
|
|
|
if ( 0 == $user->ID ) {
|
|
$user_login = $user_email = $user_url = $user_pass_md5 = $user_identity = '';
|
|
return;
|
|
}
|
|
|
|
$user_login = $user->user_login;
|
|
$user_email = $user->user_email;
|
|
$user_url = $user->user_url;
|
|
$user_pass_md5 = md5($user->user_pass);
|
|
$user_identity = $user->display_name;
|
|
}
|
|
|
|
/**
|
|
* 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:
|
|
* <ol>
|
|
* <li>show_option_all - Text to show all and whether HTML option exists.</li>
|
|
* <li>show_option_none - Text for show none and whether HTML option exists.
|
|
* </li>
|
|
* <li>orderby - SQL order by clause for what order the users appear. Default is
|
|
* 'display_name'.</li>
|
|
* <li>order - Default is 'ASC'. Can also be 'DESC'.</li>
|
|
* <li>include - User IDs to include.</li>
|
|
* <li>exclude - User IDs to exclude.</li>
|
|
* <li>multi - Default is 'false'. Whether to skip the ID attribute on the 'select' element. A 'true' value is overridden when id argument is set.</li>
|
|
* <li>show - Default is 'display_name'. User table column to display. If the selected item is empty then the user_login will be displayed in parentesis</li>
|
|
* <li>echo - Default is '1'. Whether to display or retrieve content.</li>
|
|
* <li>selected - Which User ID is selected.</li>
|
|
* <li>name - Default is 'user'. Name attribute of select element.</li>
|
|
* <li>id - Default is the value of the 'name' parameter. ID attribute of select element.</li>
|
|
* <li>class - Class attribute of select element.</li>
|
|
* <li>blog_id - ID of blog (Multisite only). Defaults to ID of current blog.</li>
|
|
* </ol>
|
|
*
|
|
* @since 2.3.0
|
|
* @uses $wpdb WordPress database object for queries
|
|
*
|
|
* @param string|array $args Optional. Override defaults.
|
|
* @return string|null Null on display. String of HTML content on retrieve.
|
|
*/
|
|
function wp_dropdown_users( $args = '' ) {
|
|
global $wpdb;
|
|
$defaults = array(
|
|
'show_option_all' => '', 'show_option_none' => '',
|
|
'orderby' => 'display_name', 'order' => 'ASC',
|
|
'include' => '', 'exclude' => '', 'multi' => 0,
|
|
'show' => 'display_name', 'echo' => 1,
|
|
'selected' => 0, 'name' => 'user', 'class' => '', 'blog_id' => $GLOBALS['blog_id'],
|
|
'id' => '',
|
|
);
|
|
|
|
$defaults['selected'] = is_author() ? get_query_var( 'author' ) : 0;
|
|
|
|
$r = wp_parse_args( $args, $defaults );
|
|
extract( $r, EXTR_SKIP );
|
|
|
|
$users = get_users( wp_array_slice_assoc( $args, array( 'blog_id', 'include', 'exclude', 'orderby', 'order' ) ) );
|
|
|
|
$output = '';
|
|
if ( !empty($users) ) {
|
|
$name = esc_attr( $name );
|
|
if ( $multi && ! $id )
|
|
$id = '';
|
|
else
|
|
$id = $id ? " id='" . esc_attr( $id ) . "'" : " id='$name'";
|
|
|
|
$output = "<select name='{$name}'{$id} class='$class'>\n";
|
|
|
|
if ( $show_option_all )
|
|
$output .= "\t<option value='0'>$show_option_all</option>\n";
|
|
|
|
if ( $show_option_none ) {
|
|
$_selected = selected( -1, $selected, false );
|
|
$output .= "\t<option value='-1'$_selected>$show_option_none</option>\n";
|
|
}
|
|
|
|
foreach ( (array) $users as $user ) {
|
|
$user->ID = (int) $user->ID;
|
|
$_selected = selected( $user->ID, $selected, false );
|
|
$display = !empty($user->$show) ? $user->$show : '('. $user->user_login . ')';
|
|
$output .= "\t<option value='$user->ID'$_selected>" . esc_html($display) . "</option>\n";
|
|
}
|
|
|
|
$output .= "</select>";
|
|
}
|
|
|
|
$output = apply_filters('wp_dropdown_users', $output);
|
|
|
|
if ( $echo )
|
|
echo $output;
|
|
|
|
return $output;
|
|
}
|
|
|
|
/**
|
|
* Add user meta data as properties to given user object.
|
|
*
|
|
* The finished user data is cached, but the cache is not used to fill in the
|
|
* user data for the given object. Once the function has been used, the cache
|
|
* should be used to retrieve user data. The intention is if the current data
|
|
* had been cached already, there would be no need to call this function.
|
|
*
|
|
* @access private
|
|
* @since 2.5.0
|
|
* @uses $wpdb WordPress database object for queries
|
|
*
|
|
* @param object $user The user data object.
|
|
*/
|
|
function _fill_user( &$user ) {
|
|
$metavalues = get_user_metavalues(array($user->ID));
|
|
_fill_single_user($user, $metavalues[$user->ID]);
|
|
}
|
|
|
|
/**
|
|
* Perform the query to get the $metavalues array(s) needed by _fill_user and _fill_many_users
|
|
*
|
|
* @since 3.0.0
|
|
* @param array $ids User ID numbers list.
|
|
* @return array of arrays. The array is indexed by user_id, containing $metavalues object arrays.
|
|
*/
|
|
function get_user_metavalues($ids) {
|
|
global $wpdb;
|
|
|
|
$clean = array_map('intval', $ids);
|
|
if ( 0 == count($clean) )
|
|
return $objects;
|
|
|
|
$list = implode(',', $clean);
|
|
|
|
$show = $wpdb->hide_errors();
|
|
$metavalues = $wpdb->get_results("SELECT user_id, meta_key, meta_value FROM $wpdb->usermeta WHERE user_id IN ($list)");
|
|
$wpdb->show_errors($show);
|
|
|
|
$objects = array();
|
|
foreach($clean as $id) {
|
|
$objects[$id] = array();
|
|
}
|
|
foreach($metavalues as $meta_object) {
|
|
$objects[$meta_object->user_id][] = $meta_object;
|
|
}
|
|
|
|
return $objects;
|
|
}
|
|
|
|
/**
|
|
* Unserialize user metadata, fill $user object, then cache everything.
|
|
*
|
|
* @since 3.0.0
|
|
* @param object $user The User object.
|
|
* @param array $metavalues An array of objects provided by get_user_metavalues()
|
|
*/
|
|
function _fill_single_user( &$user, &$metavalues ) {
|
|
global $wpdb;
|
|
|
|
foreach ( $metavalues as $meta ) {
|
|
$value = maybe_unserialize($meta->meta_value);
|
|
// Keys used as object vars cannot have dashes.
|
|
$key = str_replace('-', '', $meta->meta_key);
|
|
$user->{$key} = $value;
|
|
}
|
|
|
|
$level = $wpdb->prefix . 'user_level';
|
|
if ( isset( $user->{$level} ) )
|
|
$user->user_level = $user->{$level};
|
|
|
|
// For backwards compat.
|
|
if ( isset($user->first_name) )
|
|
$user->user_firstname = $user->first_name;
|
|
if ( isset($user->last_name) )
|
|
$user->user_lastname = $user->last_name;
|
|
if ( isset($user->description) )
|
|
$user->user_description = $user->description;
|
|
|
|
update_user_caches($user);
|
|
}
|
|
|
|
/**
|
|
* Take an array of user objects, fill them with metas, and cache them.
|
|
*
|
|
* @since 3.0.0
|
|
* @param array $users User objects
|
|
*/
|
|
function _fill_many_users( &$users ) {
|
|
$ids = array();
|
|
foreach($users as $user_object) {
|
|
$ids[] = $user_object->ID;
|
|
}
|
|
|
|
$metas = get_user_metavalues($ids);
|
|
|
|
foreach($users as $user_object) {
|
|
if (isset($metas[$user_object->ID])) {
|
|
_fill_single_user($user_object, $metas[$user_object->ID]);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sanitize every user field.
|
|
*
|
|
* If the context is 'raw', then the user object or array will get minimal santization of the int fields.
|
|
*
|
|
* @since 2.3.0
|
|
* @uses sanitize_user_field() Used to sanitize the fields.
|
|
*
|
|
* @param object|array $user The User Object or Array
|
|
* @param string $context Optional, default is 'display'. How to sanitize user fields.
|
|
* @return object|array The now sanitized User Object or Array (will be the same type as $user)
|
|
*/
|
|
function sanitize_user_object($user, $context = 'display') {
|
|
if ( is_object($user) ) {
|
|
if ( !isset($user->ID) )
|
|
$user->ID = 0;
|
|
if ( isset($user->data) )
|
|
$vars = get_object_vars( $user->data );
|
|
else
|
|
$vars = get_object_vars($user);
|
|
foreach ( array_keys($vars) as $field ) {
|
|
if ( is_string($user->$field) || is_numeric($user->$field) )
|
|
$user->$field = sanitize_user_field($field, $user->$field, $user->ID, $context);
|
|
}
|
|
$user->filter = $context;
|
|
} else {
|
|
if ( !isset($user['ID']) )
|
|
$user['ID'] = 0;
|
|
foreach ( array_keys($user) as $field )
|
|
$user[$field] = sanitize_user_field($field, $user[$field], $user['ID'], $context);
|
|
$user['filter'] = $context;
|
|
}
|
|
|
|
return $user;
|
|
}
|
|
|
|
/**
|
|
* Sanitize user field based on context.
|
|
*
|
|
* Possible context values are: 'raw', 'edit', 'db', 'display', 'attribute' and 'js'. The
|
|
* 'display' context is used by default. 'attribute' and 'js' contexts are treated like 'display'
|
|
* when calling filters.
|
|
*
|
|
* @since 2.3.0
|
|
* @uses apply_filters() Calls 'edit_$field' and '${field_no_prefix}_edit_pre' passing $value and
|
|
* $user_id if $context == 'edit' and field name prefix == 'user_'.
|
|
*
|
|
* @uses apply_filters() Calls 'edit_user_$field' passing $value and $user_id if $context == 'db'.
|
|
* @uses apply_filters() Calls 'pre_$field' passing $value if $context == 'db' and field name prefix == 'user_'.
|
|
* @uses apply_filters() Calls '${field}_pre' passing $value if $context == 'db' and field name prefix != 'user_'.
|
|
*
|
|
* @uses apply_filters() Calls '$field' passing $value, $user_id and $context if $context == anything
|
|
* other than 'raw', 'edit' and 'db' and field name prefix == 'user_'.
|
|
* @uses apply_filters() Calls 'user_$field' passing $value if $context == anything other than 'raw',
|
|
* 'edit' and 'db' and field name prefix != 'user_'.
|
|
*
|
|
* @param string $field The user Object field name.
|
|
* @param mixed $value The user Object value.
|
|
* @param int $user_id user ID.
|
|
* @param string $context How to sanitize user fields. Looks for 'raw', 'edit', 'db', 'display',
|
|
* 'attribute' and 'js'.
|
|
* @return mixed Sanitized value.
|
|
*/
|
|
function sanitize_user_field($field, $value, $user_id, $context) {
|
|
$int_fields = array('ID');
|
|
if ( in_array($field, $int_fields) )
|
|
$value = (int) $value;
|
|
|
|
if ( 'raw' == $context )
|
|
return $value;
|
|
|
|
if ( !is_string($value) && !is_numeric($value) )
|
|
return $value;
|
|
|
|
$prefixed = false;
|
|
if ( false !== strpos($field, 'user_') ) {
|
|
$prefixed = true;
|
|
$field_no_prefix = str_replace('user_', '', $field);
|
|
}
|
|
|
|
if ( 'edit' == $context ) {
|
|
if ( $prefixed ) {
|
|
$value = apply_filters("edit_$field", $value, $user_id);
|
|
} else {
|
|
$value = apply_filters("edit_user_$field", $value, $user_id);
|
|
}
|
|
|
|
if ( 'description' == $field )
|
|
$value = esc_html($value);
|
|
else
|
|
$value = esc_attr($value);
|
|
} else if ( 'db' == $context ) {
|
|
if ( $prefixed ) {
|
|
$value = apply_filters("pre_$field", $value);
|
|
} else {
|
|
$value = apply_filters("pre_user_$field", $value);
|
|
}
|
|
} else {
|
|
// Use display filters by default.
|
|
if ( $prefixed )
|
|
$value = apply_filters($field, $value, $user_id, $context);
|
|
else
|
|
$value = apply_filters("user_$field", $value, $user_id, $context);
|
|
}
|
|
|
|
if ( 'user_url' == $field )
|
|
$value = esc_url($value);
|
|
|
|
if ( 'attribute' == $context )
|
|
$value = esc_attr($value);
|
|
else if ( 'js' == $context )
|
|
$value = esc_js($value);
|
|
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* Update all user caches
|
|
*
|
|
* @since 3.0.0
|
|
*
|
|
* @param object $user User object to be cached
|
|
*/
|
|
function update_user_caches(&$user) {
|
|
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');
|
|
}
|
|
|
|
/**
|
|
* Clean all user caches
|
|
*
|
|
* @since 3.0.0
|
|
*
|
|
* @param int $id User ID
|
|
*/
|
|
function clean_user_cache($id) {
|
|
$user = new WP_User($id);
|
|
|
|
wp_cache_delete($id, 'users');
|
|
wp_cache_delete($user->user_login, 'userlogins');
|
|
wp_cache_delete($user->user_email, 'useremail');
|
|
wp_cache_delete($user->user_nicename, 'userslugs');
|
|
}
|
|
|
|
?>
|