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< ? php
function get_profile ( $field , $user = false ) {
global $wpdb ;
if ( ! $user )
$user = $wpdb -> escape ( $_COOKIE [ USER_COOKIE ]);
return $wpdb -> get_var ( " SELECT $field FROM $wpdb->users WHERE user_login = ' $user ' " );
}
function get_usernumposts ( $userid ) {
global $wpdb ;
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$userid = ( int ) $userid ;
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return $wpdb -> get_var ( " SELECT COUNT(*) FROM $wpdb->posts WHERE post_author = ' $userid ' AND post_type = 'post' " . get_private_posts_cap_sql ( 'post' ));
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}
// TODO: xmlrpc only. Maybe move to xmlrpc.php.
function user_pass_ok ( $user_login , $user_pass ) {
global $cache_userdata ;
if ( empty ( $cache_userdata [ $user_login ]) ) {
$userdata = get_userdatabylogin ( $user_login );
} else {
$userdata = $cache_userdata [ $user_login ];
}
return ( md5 ( $user_pass ) == $userdata -> user_pass );
}
//
// User option functions
//
function get_user_option ( $option , $user = 0 ) {
global $wpdb ;
if ( empty ( $user ) )
$user = wp_get_current_user ();
else
$user = get_userdata ( $user );
if ( isset ( $user -> { $wpdb -> prefix . $option } ) ) // Blog specific
return $user -> { $wpdb -> prefix . $option };
elseif ( isset ( $user -> { $option } ) ) // User specific and cross-blog
return $user -> { $option };
else // Blog global
return get_option ( $option );
}
function update_user_option ( $user_id , $option_name , $newvalue , $global = false ) {
global $wpdb ;
if ( ! $global )
$option_name = $wpdb -> prefix . $option_name ;
return update_usermeta ( $user_id , $option_name , $newvalue );
}
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// Get users with capabilities for the current blog.
// For setups that use the multi-blog feature.
function get_users_of_blog ( $id = '' ) {
global $wpdb , $blog_id ;
if ( empty ( $id ) )
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$id = ( int ) $blog_id ;
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$users = $wpdb -> get_results ( " SELECT user_id, user_login, display_name, user_email, meta_value FROM $wpdb->users , $wpdb->usermeta WHERE " . $wpdb -> users . " .ID = " . $wpdb -> usermeta . " .user_id AND meta_key = ' " . $wpdb -> prefix . " capabilities' ORDER BY { $wpdb -> usermeta } .user_id " );
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return $users ;
}
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//
// User meta functions
//
function delete_usermeta ( $user_id , $meta_key , $meta_value = '' ) {
global $wpdb ;
if ( ! is_numeric ( $user_id ) )
return false ;
$meta_key = preg_replace ( '|[^a-z0-9_]|i' , '' , $meta_key );
if ( is_array ( $meta_value ) || is_object ( $meta_value ) )
$meta_value = serialize ( $meta_value );
$meta_value = trim ( $meta_value );
if ( ! empty ( $meta_value ) )
$wpdb -> query ( " DELETE FROM $wpdb->usermeta WHERE user_id = ' $user_id ' AND meta_key = ' $meta_key ' AND meta_value = ' $meta_value ' " );
else
$wpdb -> query ( " DELETE FROM $wpdb->usermeta WHERE user_id = ' $user_id ' AND meta_key = ' $meta_key ' " );
$user = get_userdata ( $user_id );
wp_cache_delete ( $user_id , 'users' );
wp_cache_delete ( $user -> user_login , 'userlogins' );
return true ;
}
function get_usermeta ( $user_id , $meta_key = '' ) {
global $wpdb ;
$user_id = ( int ) $user_id ;
if ( ! empty ( $meta_key ) ) {
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$meta_key = preg_replace ( '|[^a-z0-9_]|i' , '' , $meta_key );
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$metas = $wpdb -> get_results ( " SELECT meta_key, meta_value FROM $wpdb->usermeta WHERE user_id = ' $user_id ' AND meta_key = ' $meta_key ' " );
} else {
$metas = $wpdb -> get_results ( " SELECT meta_key, meta_value FROM $wpdb->usermeta WHERE user_id = ' $user_id ' " );
}
if ( empty ( $metas ) ) {
if ( empty ( $meta_key ) )
return array ();
else
return '' ;
}
foreach ( $metas as $index => $meta ) {
@ $value = unserialize ( $meta -> meta_value );
if ( $value === FALSE )
$value = $meta -> meta_value ;
$values [] = $value ;
}
if ( count ( $values ) == 1 )
return $values [ 0 ];
else
return $values ;
}
function update_usermeta ( $user_id , $meta_key , $meta_value ) {
global $wpdb ;
if ( ! is_numeric ( $user_id ) )
return false ;
$meta_key = preg_replace ( '|[^a-z0-9_]|i' , '' , $meta_key );
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// FIXME: usermeta data is assumed to be already escaped
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if ( is_string ( $meta_value ) )
$meta_value = stripslashes ( $meta_value );
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$meta_value = maybe_serialize ( $meta_value );
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$meta_value = $wpdb -> escape ( $meta_value );
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if ( empty ( $meta_value )) {
return delete_usermeta ( $user_id , $meta_key );
}
$cur = $wpdb -> get_row ( " SELECT * FROM $wpdb->usermeta WHERE user_id = ' $user_id ' AND meta_key = ' $meta_key ' " );
if ( ! $cur ) {
$wpdb -> query ( " INSERT INTO $wpdb->usermeta ( user_id, meta_key, meta_value )
VALUES
( '$user_id' , '$meta_key' , '$meta_value' ) " );
} else if ( $cur -> meta_value != $meta_value ) {
$wpdb -> query ( " UPDATE $wpdb->usermeta SET meta_value = ' $meta_value ' WHERE user_id = ' $user_id ' AND meta_key = ' $meta_key ' " );
} else {
return false ;
}
$user = get_userdata ( $user_id );
wp_cache_delete ( $user_id , 'users' );
wp_cache_delete ( $user -> user_login , 'userlogins' );
return true ;
}
//
// Private helper functions
//
// Setup global user vars. Used by set_current_user() for back compat.
function setup_userdata ( $user_id = '' ) {
global $user_login , $userdata , $user_level , $user_ID , $user_email , $user_url , $user_pass_md5 , $user_identity ;
if ( '' == $user_id )
$user = wp_get_current_user ();
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else
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$user = new WP_User ( $user_id );
if ( 0 == $user -> ID )
return ;
$userdata = $user -> data ;
$user_login = $user -> user_login ;
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$user_level = ( int ) $user -> user_level ;
$user_ID = ( int ) $user -> ID ;
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$user_email = $user -> user_email ;
$user_url = $user -> user_url ;
$user_pass_md5 = md5 ( $user -> user_pass );
$user_identity = $user -> display_name ;
}
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?>