PHP - Bir konuda yardımınıza ihtiyacım var

function MW_GetFollowingSug($limit, $query) {

    global $wo, $sqlConnect;

    $data = array();

    if ($wo['loggedin'] == false) {

        return false;

    }

    if (empty($query)) {

        return false;

    }

    $query_one_search = " WHERE ((`username` LIKE '%" . MW_Secure($query) . "%') OR CONCAT( `first_name`,  ' ', `last_name` ) LIKE  '%" . MW_Secure($query) . "%')";

    $user_id          = MW_Secure($wo['user']['user_id']);

    $query_one        = "SELECT `user_id` FROM " . T_USERS;

    $query_one .= $query_one_search;

    $logged_user_id = MW_Secure($wo['user']['user_id']);

    $query_one .= " AND (`user_id` NOT IN (SELECT `blocked` FROM " . T_BLOCKS . " WHERE `blocker` = '{$logged_user_id}') AND `user_id` NOT IN (SELECT `blocker` FROM " . T_BLOCKS . " WHERE `blocked` = '{$logged_user_id}') AND (`user_id` IN (SELECT `following_id` FROM " . T_FOLLOWERS . " WHERE `follower_id` = {$user_id} AND `following_id` <> {$user_id} AND `active` = '1') OR `user_id` IN (SELECT `follower_id` FROM " . T_FOLLOWERS . " WHERE `follower_id` <> {$user_id} AND `following_id` = {$user_id} AND `active` = '1'))) AND `active` = '1'";

    $query_one .= " LIMIT {$limit}";

    $sql = mysqli_query($sqlConnect, $query_one);

    while ($fetched_data = mysqli_fetch_assoc($sql)) {

        $user_data           = MW_UserData($fetched_data['user_id']);

        $html_fi['id'] = $user_data['id'];

        $html_fi['username'] = $user_data['username'];

        $html_fi['label']    = $user_data['name'];

        $html_fi['img']      = $user_data['avatar'];

        $data[]              = $html_fi;

    }

    if (empty($data)) {

        $sql = mysqli_query($sqlConnect, "SELECT `user_id` FROM " . T_USERS . " {$query_one_search} AND `user_id` <> {$user_id} AND `user_id` NOT IN (SELECT `blocked` FROM " . T_BLOCKS . " WHERE `blocker` = '{$logged_user_id}') AND `user_id` NOT IN (SELECT `blocker` FROM " . T_BLOCKS . " WHERE `blocked` = '{$logged_user_id}') LIMIT {$limit}");

        while ($fetched_data = mysqli_fetch_assoc($sql)) {

            $user_data           = MW_UserData($fetched_data['user_id']);

            $html_fi['username'] = $user_data['username'];

            $html_fi['label']    = $user_data['name'];

            $html_fi['img']      = $user_data['avatar'];

            $data[]              = $html_fi;

        }

    }

    return $data;

}

SELECT mw_pages.*, mw_users.username as username, mw_users.first_name as firstname

FROM mw_pages

LEFT JOIN mw_users ON (mw_pages.user_id = mw_users.user_id)