BP_Friends_Friendship::search_friends( string $filter, int $user_id, int|null $limit = null, int|null $page = null )

Search the friends of a user by a search string.


Description Description


Parameters Parameters

$filter

(Required) The search string, matched against xprofile fields (if available), or usermeta 'nickname' field.

$user_id

(Required) ID of the user whose friends are being searched.

$limit

(Optional) Max number of friends to return.

Default value: null

$page

(Optional) The page of results to return. Default: null (no pagination - return all results).

Default value: null


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Return Return

(array|bool) On success, an array: { @type array $friends IDs of friends returned by the query. @type int $count Total number of friends (disregarding pagination) who match the search. }. Returns false on failure.


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Source Source

File: bp-friends/classes/class-bp-friends-friendship.php

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public static function search_friends( $filter, $user_id, $limit = null, $page = null ) {
    global $wpdb;
 
    /*
     * TODO: Optimize this function.
     */
 
    if ( empty( $user_id ) )
        $user_id = bp_loggedin_user_id();
 
    // Only search for matching strings at the beginning of the
    // name (@todo - figure out why this restriction).
    $search_terms_like = bp_esc_like( $filter ) . '%';
 
    $pag_sql = '';
    if ( !empty( $limit ) && !empty( $page ) )
        $pag_sql = $wpdb->prepare( " LIMIT %d, %d", intval( ( $page - 1 ) * $limit), intval( $limit ) );
 
    if ( !$friend_ids = BP_Friends_Friendship::get_friend_user_ids( $user_id ) )
        return false;
 
    // Get all the user ids for the current user's friends.
    $fids = implode( ',', wp_parse_id_list( $friend_ids ) );
 
    if ( empty( $fids ) )
        return false;
 
    $bp = buddypress();
 
    // Filter the user_ids based on the search criteria.
    if ( bp_is_active( 'xprofile' ) ) {
        $sql       = $wpdb->prepare( "SELECT DISTINCT user_id FROM {$bp->profile->table_name_data} WHERE user_id IN ({$fids}) AND value LIKE %s {$pag_sql}", $search_terms_like );
        $total_sql = $wpdb->prepare( "SELECT COUNT(DISTINCT user_id) FROM {$bp->profile->table_name_data} WHERE user_id IN ({$fids}) AND value LIKE %s", $search_terms_like );
    } else {
        $sql       = $wpdb->prepare( "SELECT DISTINCT user_id FROM {$wpdb->usermeta} WHERE user_id IN ({$fids}) AND meta_key = 'nickname' AND meta_value LIKE %s {$pag_sql}", $search_terms_like );
        $total_sql = $wpdb->prepare( "SELECT COUNT(DISTINCT user_id) FROM {$wpdb->usermeta} WHERE user_id IN ({$fids}) AND meta_key = 'nickname' AND meta_value LIKE %s", $search_terms_like );
    }
 
    $filtered_friend_ids = $wpdb->get_col( $sql );
    $total_friend_ids    = $wpdb->get_var( $total_sql );
 
    if ( empty( $filtered_friend_ids ) )
        return false;
 
    return array( 'friends' => array_map( 'intval', $filtered_friend_ids ), 'total' => (int) $total_friend_ids );
}

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Changelog
Version Description
1.0.0 Introduced.

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