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I'm using my site to show the difference between MYSQL and PDO for a school project and I am aware that MYSQL was deprecated in PHP 5.5x but when I try to change my PHP version to 5.4 and press save, it goes to 5.5? Anyone know how to fix this if the problem is on x10hosting or me? Thanks.

<?php include 'config.php'; $stmt=$con->prepare('SELECT * from users WHERE id=?'); $stmt->bind_param('i', $_GET['id']); $stmt->execute(); $result=$stmt->get_result(); while($row=$result->fetch_assoc()){ $user=$row['username']; } echo $user; ?> Fatal error: Call to undefined method...