Fatal error: Uncaught TypeError: mysqli_real_escape_string(): Argument #1 ($mysql) must be of type mysqli, PDO given in /www/wwwroot/zhang.la/search.php:124 Stack trace: #0 /www/wwwroot/zhang.la/search.php(124): mysqli_real_escape_string() #1 {main} thrown in /www/wwwroot/zhang.la/search.php on line 124