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Edit File: class-wp-user-query.php
<?php /** * User API: WP_User_Query class * * @package WordPress * @subpackage Users * @since 4.4.0 */ /** * Core class used for querying users. * * @since 3.1.0 * * @see WP_User_Query::prepare_query() for information on accepted arguments. */ class WP_User_Query { /** * Query vars, after parsing * * @since 3.5.0 * @access public * @var array */ public $query_vars = array(); /** * List of found user ids * * @since 3.1.0 * @access private * @var array */ private $results; /** * Total number of found users for the current query * * @since 3.1.0 * @access private * @var int */ private $total_users = 0; /** * Metadata query container. * * @since 4.2.0 * @access public * @var WP_Meta_Query */ public $meta_query = false; /** * The SQL query used to fetch matching users. * * @since 4.4.0 * @access public * @var string */ public $request; private $compat_fields = array( 'results', 'total_users' ); // SQL clauses public $query_fields; public $query_from; public $query_where; public $query_orderby; public $query_limit; /** * PHP5 constructor. * * @since 3.1.0 * * @param null|string|array $query Optional. The query variables. */ public function __construct( $query = null ) { if ( ! empty( $query ) ) { $this->prepare_query( $query ); $this->query(); } } /** * Fills in missing query variables with default values. * * @since 4.4.0 * @access public * * @param array $args Query vars, as passed to `WP_User_Query`. * @return array Complete query variables with undefined ones filled in with defaults. */ public static function fill_query_vars( $args ) { $defaults = array( 'blog_id' => $GLOBALS['blog_id'], 'role' => '', 'role__in' => array(), 'role__not_in' => array(), 'meta_key' => '', 'meta_value' => '', 'meta_compare' => '', 'include' => array(), 'exclude' => array(), 'search' => '', 'search_columns' => array(), 'orderby' => 'login', 'order' => 'ASC', 'offset' => '', 'number' => '', 'paged' => 1, 'count_total' => true, 'fields' => 'all', 'who' => '', 'has_published_posts' => null, ); return wp_parse_args( $args, $defaults ); } /** * Prepare the query variables. * * @since 3.1.0 * @since 4.1.0 Added the ability to order by the `include` value. * @since 4.2.0 Added 'meta_value_num' support for `$orderby` parameter. Added multi-dimensional array syntax * for `$orderby` parameter. * @since 4.3.0 Added 'has_published_posts' parameter. * @since 4.4.0 Added 'paged', 'role__in', and 'role__not_in' parameters. The 'role' parameter was updated to * permit an array or comma-separated list of values. The 'number' parameter was updated to support * querying for all users with using -1. * * @access public * * @global wpdb $wpdb WordPress database abstraction object. * @global int $blog_id * * @param string|array $query { * Optional. Array or string of Query parameters. * * @type int $blog_id The site ID. Default is the current site. * @type string|array $role An array or a comma-separated list of role names that users must match * to be included in results. Note that this is an inclusive list: users * must match *each* role. Default empty. * @type array $role__in An array of role names. Matched users must have at least one of these * roles. Default empty array. * @type array $role__not_in An array of role names to exclude. Users matching one or more of these * roles will not be included in results. Default empty array. * @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 $orderby Field(s) to sort the retrieved users by. May be a single value, * an array of values, or a multi-dimensional array with fields as * keys and orders ('ASC' or 'DESC') as values. Accepted values are * 'ID', 'display_name' (or 'name'), 'include', 'user_login' * (or 'login'), 'user_nicename' (or 'nicename'), 'user_email' * (or 'email'), 'user_url' (or 'url'), 'user_registered' * or 'registered'), 'post_count', 'meta_value', 'meta_value_num', * the value of `$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 supported, but * should be used with caution on larger sites. * Default empty (all users). * @type int $paged When used with number, defines the page of results to return. * Default 1. * @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', 'user_login', * 'user_nicename', 'user_email', 'user_url', 'user_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). * @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. * } */ public function prepare_query( $query = array() ) { global $wpdb; if ( empty( $this->query_vars ) || ! empty( $query ) ) { $this->query_limit = null; $this->query_vars = $this->fill_query_vars( $query ); } /** * 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 ); // Ensure that query vars are filled after 'pre_get_users'. $qv =& $this->query_vars; $qv = $this->fill_query_vars( $qv ); if ( is_array( $qv['fields'] ) ) { $qv['fields'] = array_unique( $qv['fields'] ); $this->query_fields = array(); foreach ( $qv['fields'] as $field ) { $field = 'ID' === $field ? 'ID' : sanitize_key( $field ); $this->query_fields[] = "$wpdb->users.$field"; } $this->query_fields = implode( ',', $this->query_fields ); } elseif ( 'all' == $qv['fields'] ) { $this->query_fields = "$wpdb->users.*"; } else { $this->query_fields = "$wpdb->users.ID"; } if ( isset( $qv['count_total'] ) && $qv['count_total'] ) $this->query_fields = 'SQL_CALC_FOUND_ROWS ' . $this->query_fields; $this->query_from = "FROM $wpdb->users"; $this->query_where = "WHERE 1=1"; // 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; } $blog_id = 0; if ( isset( $qv['blog_id'] ) ) { $blog_id = absint( $qv['blog_id'] ); } 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 ) . " ) )"; } // Meta query. $this->meta_query = new WP_Meta_Query(); $this->meta_query->parse_query_vars( $qv ); if ( isset( $qv['who'] ) && 'authors' == $qv['who'] && $blog_id ) { $who_query = array( 'key' => $wpdb->get_blog_prefix( $blog_id ) . 'user_level', 'value' => 0, 'compare' => '!=', ); // Prevent extra meta query. $qv['blog_id'] = $blog_id = 0; if ( empty( $this->meta_query->queries ) ) { $this->meta_query->queries = array( $who_query ); } else { // Append the cap query to the original queries and reparse the query. $this->meta_query->queries = array( 'relation' => 'AND', array( $this->meta_query->queries, $who_query ), ); } $this->meta_query->parse_query_vars( $this->meta_query->queries ); } $roles = array(); if ( isset( $qv['role'] ) ) { if ( is_array( $qv['role'] ) ) { $roles = $qv['role']; } elseif ( is_string( $qv['role'] ) && ! empty( $qv['role'] ) ) { $roles = array_map( 'trim', explode( ',', $qv['role'] ) ); } } $role__in = array(); if ( isset( $qv['role__in'] ) ) { $role__in = (array) $qv['role__in']; } $role__not_in = array(); if ( isset( $qv['role__not_in'] ) ) { $role__not_in = (array) $qv['role__not_in']; } if ( $blog_id && ( ! empty( $roles ) || ! empty( $role__in ) || ! empty( $role__not_in ) || is_multisite() ) ) { $role_queries = array(); $roles_clauses = array( 'relation' => 'AND' ); if ( ! empty( $roles ) ) { foreach ( $roles as $role ) { $roles_clauses[] = array( 'key' => $wpdb->get_blog_prefix( $blog_id ) . 'capabilities', 'value' => '"' . $role . '"', 'compare' => 'LIKE', ); } $role_queries[] = $roles_clauses; } $role__in_clauses = array( 'relation' => 'OR' ); if ( ! empty( $role__in ) ) { foreach ( $role__in as $role ) { $role__in_clauses[] = array( 'key' => $wpdb->get_blog_prefix( $blog_id ) . 'capabilities', 'value' => '"' . $role . '"', 'compare' => 'LIKE', ); } $role_queries[] = $role__in_clauses; } $role__not_in_clauses = array( 'relation' => 'AND' ); if ( ! empty( $role__not_in ) ) { foreach ( $role__not_in as $role ) { $role__not_in_clauses[] = array( 'key' => $wpdb->get_blog_prefix( $blog_id ) . 'capabilities', 'value' => '"' . $role . '"', 'compare' => 'NOT LIKE', ); } $role_queries[] = $role__not_in_clauses; } // If there are no specific roles named, make sure the user is a member of the site. if ( empty( $role_queries ) ) { $role_queries[] = array( 'key' => $wpdb->get_blog_prefix( $blog_id ) . 'capabilities', 'compare' => 'EXISTS', ); } // Specify that role queries should be joined with AND. $role_queries['relation'] = 'AND'; if ( empty( $this->meta_query->queries ) ) { $this->meta_query->queries = $role_queries; } else { // Append the cap query to the original queries and reparse the query. $this->meta_query->queries = array( 'relation' => 'AND', array( $this->meta_query->queries, $role_queries ), ); } $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']; if ( $this->meta_query->has_or_relation() ) { $this->query_fields = 'DISTINCT ' . $this->query_fields; } } // sorting $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 ); } elseif ( is_array( $qv['orderby'] ) ) { $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; } else { // 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; } $orderby_array[] = $parsed . ' ' . $this->parse_order( $_order ); } // If no valid clauses were found, order by user_login. if ( empty( $orderby_array ) ) { $orderby_array[] = "user_login $order"; } $this->query_orderby = 'ORDER BY ' . implode( ', ', $orderby_array ); // limit if ( isset( $qv['number'] ) && $qv['number'] > 0 ) { if ( $qv['offset'] ) { $this->query_limit = $wpdb->prepare("LIMIT %d, %d", $qv['offset'], $qv['number']); } else { $this->query_limit = $wpdb->prepare( "LIMIT %d, %d", $qv['number'] * ( $qv['paged'] - 1 ), $qv['number'] ); } } $search = ''; if ( isset( $qv['search'] ) ) $search = trim( $qv['search'] ); if ( $search ) { $leading_wild = ( ltrim($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 ) $search = trim($search, '*'); $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'); elseif ( preg_match('|^https?://|', $search) && ! ( is_multisite() && wp_is_large_network( 'users' ) ) ) $search_columns = array('user_url'); else $search_columns = array('user_login', 'user_url', 'user_email', 'user_nicename', 'display_name'); } /** * Filters 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', 'display_name', 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. */ $search_columns = apply_filters( 'user_search_columns', $search_columns, $search, $this ); $this->query_where .= $this->get_search_sql( $search, $search_columns, $wild ); } if ( ! empty( $include ) ) { // Sanitized earlier. $ids = implode( ',', $include ); $this->query_where .= " AND $wpdb->users.ID IN ($ids)"; } elseif ( ! empty( $qv['exclude'] ) ) { $ids = implode( ',', wp_parse_id_list( $qv['exclude'] ) ); $this->query_where .= " AND $wpdb->users.ID NOT IN ($ids)"; } // 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(); } /** * 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 $this The current WP_User_Query instance, * passed by reference. */ do_action_ref_array( 'pre_user_query', array( &$this ) ); } /** * Execute the query, with the current variables. * * @since 3.1.0 * * @global wpdb $wpdb WordPress database abstraction object. */ public function query() { global $wpdb; $qv =& $this->query_vars; $this->request = "SELECT $this->query_fields $this->query_from $this->query_where $this->query_orderby $this->query_limit"; if ( is_array( $qv['fields'] ) || 'all' == $qv['fields'] ) { $this->results = $wpdb->get_results( $this->request ); } else { $this->results = $wpdb->get_col( $this->request ); } /** * Filters SELECT FOUND_ROWS() query for the current WP_User_Query instance. * * @since 3.2.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $sql The SELECT FOUND_ROWS() query for the current WP_User_Query. */ if ( isset( $qv['count_total'] ) && $qv['count_total'] ) $this->total_users = $wpdb->get_var( apply_filters( 'found_users_query', 'SELECT FOUND_ROWS()' ) ); if ( !$this->results ) return; if ( 'all_with_meta' == $qv['fields'] ) { cache_users( $this->results ); $r = array(); foreach ( $this->results as $userid ) $r[ $userid ] = new WP_User( $userid, '', $qv['blog_id'] ); $this->results = $r; } elseif ( 'all' == $qv['fields'] ) { foreach ( $this->results as $key => $user ) { $this->results[ $key ] = new WP_User( $user, '', $qv['blog_id'] ); } } } /** * Retrieve query variable. * * @since 3.5.0 * @access public * * @param string $query_var Query variable key. * @return mixed */ public function get( $query_var ) { 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. */ public function set( $query_var, $value ) { $this->query_vars[$query_var] = $value; } /** * Used internally to generate an SQL string for searching across multiple columns * * @access protected * @since 3.1.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $string * @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. * @return string */ protected function get_search_sql( $string, $cols, $wild = false ) { global $wpdb; $searches = array(); $leading_wild = ( 'leading' == $wild || 'both' == $wild ) ? '%' : ''; $trailing_wild = ( 'trailing' == $wild || 'both' == $wild ) ? '%' : ''; $like = $leading_wild . $wpdb->esc_like( $string ) . $trailing_wild; foreach ( $cols as $col ) { if ( 'ID' == $col ) { $searches[] = $wpdb->prepare( "$col = %s", $string ); } else { $searches[] = $wpdb->prepare( "$col LIKE %s", $like ); } } return ' AND (' . implode(' OR ', $searches) . ')'; } /** * Return the list of users. * * @since 3.1.0 * @access public * * @return array Array of results. */ public function get_results() { return $this->results; } /** * Return the total number of users for the current query. * * @since 3.1.0 * @access public * * @return int Number of total users. */ public function get_total() { return $this->total_users; } /** * 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 $orderby Alias for the field to order by. * @return string Value to used in the ORDER clause, if `$orderby` is valid. */ protected function parse_orderby( $orderby ) { global $wpdb; $meta_query_clauses = $this->meta_query->get_clauses(); $_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'; } elseif ( 'meta_value' == $orderby || $this->get( 'meta_key' ) == $orderby ) { $_orderby = "$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 )"; } 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'] ) ); } 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'; } } /** * Make private properties readable for backward compatibility. * * @since 4.0.0 * @access public * * @param string $name Property to get. * @return mixed Property. */ public function __get( $name ) { if ( in_array( $name, $this->compat_fields ) ) { return $this->$name; } } /** * Make private properties settable for backward compatibility. * * @since 4.0.0 * @access public * * @param string $name Property to check if set. * @param mixed $value Property value. * @return mixed Newly-set property. */ public function __set( $name, $value ) { if ( in_array( $name, $this->compat_fields ) ) { return $this->$name = $value; } } /** * Make private properties checkable for backward compatibility. * * @since 4.0.0 * @access public * * @param string $name Property to check if set. * @return bool Whether the property is set. */ public function __isset( $name ) { if ( in_array( $name, $this->compat_fields ) ) { return isset( $this->$name ); } } /** * Make private properties un-settable for backward compatibility. * * @since 4.0.0 * @access public * * @param string $name Property to unset. */ public function __unset( $name ) { if ( in_array( $name, $this->compat_fields ) ) { unset( $this->$name ); } } /** * Make private/protected methods readable for backward compatibility. * * @since 4.0.0 * @access public * * @param callable $name Method to call. * @param array $arguments Arguments to pass when calling. * @return mixed Return value of the callback, false otherwise. */ public function __call( $name, $arguments ) { if ( 'get_search_sql' === $name ) { return call_user_func_array( array( $this, $name ), $arguments ); } return false; } }
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