Compress JavaScript file with JSMin

compress-jsmin.php

<?php
// -- Test JSMin
require( 'min/lib/JSMin.php' );
$file    = 'jquery-1.10.2.js';
$pi      = pathinfo( $file );
$filemin = $pi[ 'filename' ] . '-jsmin.' . $pi[ 'extension' ];
if ( file_exists( $file ) ) {
  $source = file_get_contents( $file );
	$res    = JSMin::minify( $source );
	file_put_contents( $filemin, $res );
	printf("File size: %d Minified file size: %d", @filesize( $file ), @filesize( $filemin ) );
}