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Edit File : class-wp-user-query.php \| Size : 30.49 KB
<?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 * @var array / public $query_vars = array(); /* * List of found user ids * * @since 3.1.0 * @var array / private $results; /* * Total number of found users for the current query * * @since 3.1.0 * @var int / private $total_users = 0; /* * Metadata query container. * * @since 4.2.0 * @var WP_Meta_Query / public $meta_query = false; /* * The SQL query used to fetch matching users. * * @since 4.4.0 * @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 * * @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' => get_current_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, 'nicename' => '', 'nicename__in' => array(), 'nicename__not_in' => array(), 'login' => '', 'login__in' => array(), 'login__not_in' => array(), ); 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. * @since 4.7.0 Added 'nicename', 'nicename__in', 'nicename__not_in', 'login', 'login__in', * and 'login__not_in' parameters. * * @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 $orderby Field(s) to sort the retrieved users by. May be a single value, * an array of values, or a multi-dimensional array with fields as * keys and orders ('ASC' or 'DESC') as values. Accepted values are * 'ID', 'display_name' (or 'name'), 'include', 'user_login' * (or 'login'), 'login__in', 'user_nicename' (or 'nicename'), * 'nicename__in', 'user_email (or 'email'), 'user_url' (or 'url'), * 'user_registered' (or 'registered'), 'post_count', 'meta_value', * 'meta_value_num', the value of `$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. * @type string $nicename The user nicename. Default empty. * @type array $nicename__in An array of nicenames to include. Users matching one of these * nicenames will be included in results. Default empty array. * @type array $nicename__not_in An array of nicenames to exclude. Users matching one of these * nicenames will not be included in results. Default empty array. * @type string $login The user login. Default empty. * @type array $login__in An array of logins to include. Users matching one of these * logins will be included in results. Default empty array. * @type array $login__not_in An array of logins to exclude. Users matching one of these * logins will not be included in results. Default empty array. * } / 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 ) . ' ) )'; } // nicename if ( '' !== $qv['nicename'] ) { $this->query_where .= $wpdb->prepare( ' AND user_nicename = %s', $qv['nicename'] ); } if ( ! empty( $qv['nicename__in'] ) ) { $sanitized_nicename__in = array_map( 'esc_sql', $qv['nicename__in'] ); $nicename__in = implode( "','", $sanitized_nicename__in ); $this->query_where .= " AND user_nicename IN ( '$nicename__in' )"; } if ( ! empty( $qv['nicename__not_in'] ) ) { $sanitized_nicename__not_in = array_map( 'esc_sql', $qv['nicename__not_in'] ); $nicename__not_in = implode( "','", $sanitized_nicename__not_in ); $this->query_where .= " AND user_nicename NOT IN ( '$nicename__not_in' )"; } // login if ( '' !== $qv['login'] ) { $this->query_where .= $wpdb->prepare( ' AND user_login = %s', $qv['login'] ); } if ( ! empty( $qv['login__in'] ) ) { $sanitized_login__in = array_map( 'esc_sql', $qv['login__in'] ); $login__in = implode( "','", $sanitized_login__in ); $this->query_where .= " AND user_login IN ( '$login__in' )"; } if ( ! empty( $qv['login__not_in'] ) ) { $sanitized_login__not_in = array_map( 'esc_sql', $qv['login__not_in'] ); $login__not_in = implode( "','", $sanitized_login__not_in ); $this->query_where .= " AND user_login NOT IN ( '$login__not_in' )"; } // 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; } if ( 'nicename__in' === $_orderby \|\| 'login__in' === $_orderby ) { $orderby_array[] = $parsed; } else { $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', 'display_name' ) ); } 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 string[] $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; /* * Filters the users array before the query takes place. * * Return a non-null value to bypass WordPress's default user queries. * Filtering functions that require pagination information are encouraged to set * the `total_users` property of the WP_User_Query object, passed to the filter * by reference. If WP_User_Query does not perform a database query, it will not * have enough information to generate these values itself. * * @since 5.1.0 * * @param array\|null $results Return an array of user data to short-circuit WP's user query * or null to allow WP to run its normal queries. * @param WP_User_Query $this The WP_User_Query instance (passed by reference). / $this->results = apply_filters_ref_array( 'users_pre_query', array( null, &$this ) ); if ( null === $this->results ) { $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 ); } if ( isset( $qv['count_total'] ) && $qv['count_total'] ) { /* * Filters SELECT FOUND_ROWS() query for the current WP_User_Query instance. * * @since 3.2.0 * @since 5.1.0 Added the `$this` parameter. * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $sql The SELECT FOUND_ROWS() query for the current WP_User_Query. * @param WP_User_Query $this The current WP_User_Query instance. / $found_users_query = apply_filters( 'found_users_query', 'SELECT FOUND_ROWS()', $this ); $this->total_users = (int) $wpdb->get_var( $found_users_query ); } } 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 * * @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 * * @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 * * @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 * * @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 * * @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 * * @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 ( 'nicename__in' === $orderby ) { $sanitized_nicename__in = array_map( 'esc_sql', $this->query_vars['nicename__in'] ); $nicename__in = implode( "','", $sanitized_nicename__in ); $_orderby = "FIELD( user_nicename, '$nicename__in' )"; } elseif ( 'login__in' === $orderby ) { $sanitized_login__in = array_map( 'esc_sql', $this->query_vars['login__in'] ); $login__in = implode( "','", $sanitized_login__in ); $_orderby = "FIELD( user_login, '$login__in' )"; } 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 * * @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 * * @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 * * @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 * * @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 * * @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 * * @param string $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; } } Back

Edit File : class-wp-user-query.php | Size : 30.49 KB

<?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
	 * @var array
	 */
	public $query_vars = array();

/**
	 * List of found user ids
	 *
	 * @since 3.1.0
	 * @var array
	 */
	private $results;

/**
	 * Total number of found users for the current query
	 *
	 * @since 3.1.0
	 * @var int
	 */
	private $total_users = 0;

/**
	 * Metadata query container.
	 *
	 * @since 4.2.0
	 * @var WP_Meta_Query
	 */
	public $meta_query = false;

/**
	 * The SQL query used to fetch matching users.
	 *
	 * @since 4.4.0
	 * @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
	 *
	 * @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'             => get_current_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,
			'nicename'            => '',
			'nicename__in'        => array(),
			'nicename__not_in'    => array(),
			'login'               => '',
			'login__in'           => array(),
			'login__not_in'       => array(),
		);

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.
	 * @since 4.7.0 Added 'nicename', 'nicename__in', 'nicename__not_in', 'login', 'login__in',
	 *              and 'login__not_in' parameters.
	 *
	 * @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 $orderby             Field(s) to sort the retrieved users by. May be a single value,
	 *                                             an array of values, or a multi-dimensional array with fields as
	 *                                             keys and orders ('ASC' or 'DESC') as values. Accepted values are
	 *                                             'ID', 'display_name' (or 'name'), 'include', 'user_login'
	 *                                             (or 'login'), 'login__in', 'user_nicename' (or 'nicename'),
	 *                                             'nicename__in', 'user_email (or 'email'), 'user_url' (or 'url'),
	 *                                             'user_registered' (or 'registered'), 'post_count', 'meta_value',
	 *                                             'meta_value_num', the value of `$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.
	 *     @type string       $nicename            The user nicename. Default empty.
	 *     @type array        $nicename__in        An array of nicenames to include. Users matching one of these
	 *                                             nicenames will be included in results. Default empty array.
	 *     @type array        $nicename__not_in    An array of nicenames to exclude. Users matching one of these
	 *                                             nicenames will not be included in results. Default empty array.
	 *     @type string       $login               The user login. Default empty.
	 *     @type array        $login__in           An array of logins to include. Users matching one of these
	 *                                             logins will be included in results. Default empty array.
	 *     @type array        $login__not_in       An array of logins to exclude. Users matching one of these
	 *                                             logins will not be included in results. Default empty array.
	 * }
	 */
	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 ) . ' ) )';
		}

// nicename
		if ( '' !== $qv['nicename'] ) {
			$this->query_where .= $wpdb->prepare( ' AND user_nicename = %s', $qv['nicename'] );
		}

if ( ! empty( $qv['nicename__in'] ) ) {
			$sanitized_nicename__in = array_map( 'esc_sql', $qv['nicename__in'] );
			$nicename__in           = implode( "','", $sanitized_nicename__in );
			$this->query_where     .= " AND user_nicename IN ( '$nicename__in' )";
		}

if ( ! empty( $qv['nicename__not_in'] ) ) {
			$sanitized_nicename__not_in = array_map( 'esc_sql', $qv['nicename__not_in'] );
			$nicename__not_in           = implode( "','", $sanitized_nicename__not_in );
			$this->query_where         .= " AND user_nicename NOT IN ( '$nicename__not_in' )";
		}

// login
		if ( '' !== $qv['login'] ) {
			$this->query_where .= $wpdb->prepare( ' AND user_login = %s', $qv['login'] );
		}

if ( ! empty( $qv['login__in'] ) ) {
			$sanitized_login__in = array_map( 'esc_sql', $qv['login__in'] );
			$login__in           = implode( "','", $sanitized_login__in );
			$this->query_where  .= " AND user_login IN ( '$login__in' )";
		}

if ( ! empty( $qv['login__not_in'] ) ) {
			$sanitized_login__not_in = array_map( 'esc_sql', $qv['login__not_in'] );
			$login__not_in           = implode( "','", $sanitized_login__not_in );
			$this->query_where      .= " AND user_login NOT IN ( '$login__not_in' )";
		}

// 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;
			}

if ( 'nicename__in' === $_orderby || 'login__in' === $_orderby ) {
				$orderby_array[] = $parsed;
			} else {
				$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', 'display_name' ) );
			}
			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 string[]      $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;

/**
		 * Filters the users array before the query takes place.
		 *
		 * Return a non-null value to bypass WordPress's default user queries.
		 * Filtering functions that require pagination information are encouraged to set
		 * the `total_users` property of the WP_User_Query object, passed to the filter
		 * by reference. If WP_User_Query does not perform a database query, it will not
		 * have enough information to generate these values itself.
		 *
		 * @since 5.1.0
		 *
		 * @param array|null $results Return an array of user data to short-circuit WP's user query
		 *                            or null to allow WP to run its normal queries.
		 * @param WP_User_Query $this The WP_User_Query instance (passed by reference).
		 */
		$this->results = apply_filters_ref_array( 'users_pre_query', array( null, &$this ) );

if ( null === $this->results ) {
			$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 );
			}

if ( isset( $qv['count_total'] ) && $qv['count_total'] ) {
				/**
				 * Filters SELECT FOUND_ROWS() query for the current WP_User_Query instance.
				 *
				 * @since 3.2.0
				 * @since 5.1.0 Added the `$this` parameter.
				 *
				 * @global wpdb $wpdb WordPress database abstraction object.
				 *
				 * @param string $sql         The SELECT FOUND_ROWS() query for the current WP_User_Query.
				 * @param WP_User_Query $this The current WP_User_Query instance.
				 */
				$found_users_query = apply_filters( 'found_users_query', 'SELECT FOUND_ROWS()', $this );

$this->total_users = (int) $wpdb->get_var( $found_users_query );
			}
		}

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
	 *
	 * @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
	 *
	 * @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
	 *
	 * @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
	 *
	 * @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
	 *
	 * @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
	 *
	 * @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 ( 'nicename__in' === $orderby ) {
			$sanitized_nicename__in = array_map( 'esc_sql', $this->query_vars['nicename__in'] );
			$nicename__in           = implode( "','", $sanitized_nicename__in );
			$_orderby               = "FIELD( user_nicename, '$nicename__in' )";
		} elseif ( 'login__in' === $orderby ) {
			$sanitized_login__in = array_map( 'esc_sql', $this->query_vars['login__in'] );
			$login__in           = implode( "','", $sanitized_login__in );
			$_orderby            = "FIELD( user_login, '$login__in' )";
		} 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
	 *
	 * @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
	 *
	 * @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
	 *
	 * @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
	 *
	 * @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
	 *
	 * @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
	 *
	 * @param string   $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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