public static function get_user_by_email($user_email) { if ($user_email) { $sql = "SELECT `user_id` FROM `users` WHERE `user_email` = " . database_essence::prepare($user_email); if ($data = database_essence::get_row($sql)) { return new user_object($data); } } return null; }
public static function get_comment_by_id($comment_id) { if (is_numeric($comment_id)) { $sql = "SELECT `comment_id` FROM `comments` WHERE `comment_id` = " . database_essence::prepare($comment_id); if ($data = database_essence::get_row($sql)) { return new comment_object($data); } } return null; }
public static function get_file_by_id($file_id) { if (is_numeric($file_id)) { $sql = "SELECT `file_id` FROM `files` WHERE `file_id` = " . database_essence::prepare($file_id); if ($data = database_essence::get_row($sql)) { return new file_object($data); } } return null; }