Enable GZIP in PHP Application

Already i shown how to enable GZIP in YII Framework application, To enable GZIP in general PHP Application include the below code at the top of the document you want to gzip:

<?php
if( isset( $_SERVER['HTTP_ACCEPT_ENCODING'] ) && substr_count( $_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip' ) )
 ob_start( 'ob_gzhandler' );
else
 ob_start();
?>