<?php if (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== FALSE) { ?> <h3>strpos() must have returned non-false</h3> <p>You are using Internet Explorer</p> <?php } else { ?> <h3>strpos() must have returned false</h3> <p>You are not using Internet Explorer</p> <?php }
// echo $_SERVER['HTTP_USER_AGENT'];
?>
==OUTPUT== strpos() must have returned non-false
You are using Internet Explorer strpos() must have returned false
You are not using Internet Explorer ========= =========