SOURCE MINIFIER

<?php
function sanitize_output($buffer) {
    $search = array(
        '/\>[^\S ]+/s',
        '/[^\S ]+\</s',
        '/(\s)+/s',
        '/<!--(.|\s)*?-->/'
    );
    $replace = array(
        '>',
        '<',
        '\\1',
        ''
    );
    $buffer = preg_replace($search, $replace, $buffer);
    return $buffer;
}
ob_start("sanitize_output");
header("Content-Type: text/html; charset=utf-8");
?>