<?php

function sanitize_output($buffer) {

    $search = array(
        '/\>[^\S ]+/s',     // strip whitespaces after tags, except space
        '/[^\S ]+\</s',     // strip whitespaces before tags, except space
        '/(\s)+/s',         // shorten multiple whitespace sequences
        '/<!--(.|\s)*?-->/' // Remove HTML comments
    );

    $replace = array(
        '>',
        '<',
        '\\1',
        ''
    );

    $buffer = preg_replace($search, $replace, $buffer);

    return $buffer;
}

ob_start("sanitize_output");

?>

<?php
function minify_output($buffer){
    $search = array('/\>[^\S ]+/s','/[^\S ]+\</s','/(\s)+/s');
    $replace = array('>','<','\\1');
    if (preg_match("/\<html/i",$buffer) == 1 && preg_match("/\<\/html\>/i",$buffer) == 1) {
        $buffer = preg_replace($search, $replace, $buffer);
    }
    return $buffer;
}
ob_start("minify_output");?>

<?Php
if(substr_count($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip')){
    ob_start ('ob_html_compress'); 
}else{
    ob_start(); 
}
function ob_html_compress($buf) {
$search = array('/\>[^\S ]+/s', '/[^\S ]+\</s', '/(\s)+/s', '/<!--(.|\s)*?-->/');
$replace = array('>', '<', '\\1', '');
$buf = preg_replace($search, $replace, $buf);
return $buf;

return str_replace(array("\n","\r","\t"),'',$buf);
}
?>