Laravel Minify HTML response

filters.php

<?php
/*
*   An improvised Gist from
*   https://gist.github.com/zmsaunders/5619519  
*   https://gist.github.com/garagesocial/6059962
*/
App::after(function($request, $response)
{
	
	if(App::Environment() != 'local')
	{
		if($response instanceof Illuminate\Http\Response)
		{
			$output = $response->getOriginalContent();
			
			$filters = array(
				//Remove HTML comments except IE conditions
				'/<!--(?!\s*(?:\[if [^\]]+]|<!|>))(?:(?!-->).)*-->/s'	=> '', 
				// Remove comments in the form /* */
				'/(?<!\S)\/\/\s*[^\r\n]*/'				=> '',
				// Shorten multiple white spaces 
				'/\s{2,}/'						=> '',
				// Collapse new lines 
				'/(\r?\n)/'						=> '', 
			);
			
			$output = preg_replace(array_keys($filters), array_values($filters), $output);
			$response->setContent($output);
		}
	}
});
?>

Can I know the site? Because mine has no problem