Quote:Warning: mysqli_query() expects parameter 1 to be mysqli, resource given in C:\xampp\htdocs\Sites\freak\SignUp.php on line 16 Warning: mysqli_num_rows() expects parameter 1 to be mysqli_result, null given in C:\xampp\htdocs\Sites\freak\SignUp.php on line 17
Quote:if(isset($_POST["usernamecheck"])){ $db_conx = mysqli_connect('localhost','root'); $username = preg_replace('#[^a-z0-9]#i','',$_POST['usernamecheck']); $sql = "SELECT id FROM users WHERE username = '$username'LIMIT 1"; $query = mysqli_query($db_conx,$sql); $unamecheck = mysqli_num_rows($query); if(strlen($username)< 3 || strlen($username) > 16) { echo'3-16 characters please'; exit(); } if(is_numeric($username[0])) { echo' Usernames must begin with a letter'; exit(); } if($unamecheck < 1) { echo ''.$username. 'is OK'; exit(); } else { echo''.$username.'is taken '; exit(); } } ?>
$db_conx = mysqli_connect('localhost','root');
mysqli_connect
var
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