MCPUK - Sort files by last modification

<?php
/**
 * The filenames are in the array $files
 * SORT IT!
 */
 natcasesort($files);
 $files = array_values($files);
?>

<?php
/*************************************
* Modification by G. EYDIEUX
* This code allow you to sort files by last modification when you a lot of file
* in the same folder, the last one you added will be in first position
* /!\ Set $debug to true if you want to see a debug file in manager\media\browser\mcpuk\connectors\php
* /!\ because echo won't work
*/
$debug = false;

if($debug)/* DEBUG */
{
	$fp=fopen("debug_log.txt","a");
	fwrite($fp,"Before modification :\n");
	foreach($files as $key => $value)
		fwrite($fp,"[$key] => $value\n");
	fwrite($fp,"\n\nDuring modification :\n");
}

$temp_array = array();
for ($i=0;$i<sizeof($files);$i++)
{
	$modif_time = filemtime($this->real_cwd."/".$files[$i]);
	$temp_array[$modif_time] = $files[$i];
	if($debug)/* DEBUG */
		fwrite($fp,"modif_time = $modif_time - file = $files[$i]\n");
}
krsort($temp_array);
$files = array_values($temp_array);

if($debug)/* DEBUG */
{
	fwrite($fp,"\n\nAfter modification :\n");
	foreach($files as $key => $value)
		fwrite($fp,"[$key] => $value\n");
	fwrite($fp,"------------------------\n\n");
	fclose($fp);
}
/*************************************/
?>