View file includes/header.php
<?php header("Content-type: text/vnd.wap.wml"); echo '<?xml version="1.0" encoding="UTF-8"?>'; echo '<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN" "http://www.wapforum.org/DTD/wml_1.1.dtd">'; ?>
<?php header("Content-type: text/vnd.wap.wml"); echo '<?xml version="1.0" encoding="UTF-8"?>'; echo '<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN" "http://www.wapforum.org/DTD/wml_1.1.dtd">'; ?>