PHP & htaccess redirect

<?php
// Permanent redirection PHP Level
header("HTTP/1.1 301 Moved Permanently");
header("Location: http://www.example.com/cheap-locks/");
exit();
?>

// Permanent redirection htaccess Level
RewriteEngine on
RewriteRule ^/cheap-locks.php$ http://www.example.com/cheap-locks [L,R=301]