comunic/developer/vendor/gregwar/image/Gregwar/Image/GarbageCollect.php

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2016-11-19 11:08:12 +00:00
<?php
namespace Gregwar\Image;
/**
* Garbage collect a directory, this will crawl a directory, lookng
* for files older than X days and destroy them
*
* @author Gregwar <g.passault@gmail.com>
*/
class GarbageCollect
{
/**
* Drops old files of a directory
*
* @param string $directory the name of the target directory
* @param int $days the number of days to consider a file old
* @param bool $verbose enable verbose output
*
* @return true if all the files/directories of a directory was wiped
*/
public static function dropOldFiles($directory, $days = 30, $verbose = false)
{
$allDropped = true;
$now = time();
$dir = opendir($directory);
if (!$dir) {
if ($verbose) {
echo "! Unable to open $directory\n";
}
return false;
}
while ($file = readdir($dir)) {
if ($file == '.' || $file == '..') {
continue;
}
$fullName = $directory.'/'.$file;
$old = $now-filemtime($fullName);
if (is_dir($fullName)) {
// Directories are recursively crawled
if (static::dropOldFiles($fullName, $days, $verbose)) {
self::drop($fullName, $verbose);
} else {
$allDropped = false;
}
} else {
if ($old > (24*60*60*$days)) {
self::drop($fullName, $verbose);
} else {
$allDropped = false;
}
}
}
closedir($dir);
return $allDropped;
}
/**
* Drops a file or an empty directory
*/
public static function drop($file, $verbose = false)
{
if (is_dir($file)) {
@rmdir($file);
} else {
@unlink($file);
}
if ($verbose) {
echo "> Dropping $file...\n";
}
}
}