Fatal error: Uncaught ArgumentCountError: mysqli_real_escape_string() expects exactly 2 arguments, 1 given in /www/wwwroot/yigeboke.com/friend.php:75 Stack trace: #0 /www/wwwroot/yigeboke.com/friend.php(75): mysqli_real_escape_string() #1 {main} thrown in /www/wwwroot/yigeboke.com/friend.php on line 75