PHP CacheImage::Delete示例

$FileToFind = '';
$CacheFolder = NULL;
$CacheImages = CacheImage::GetCacheImages();
if (isset($argv) && $argc > 0) {
    $CacheFolder = sprintf('%1$s/cache', dirname($_SERVER['PHP_SELF']));
} else {
    $CacheFolder = 'cache';
}
/* @var $it RecursiveIteratorIterator */
$it = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($CacheFolder, FileSystemIterator::SKIP_DOTS | FileSystemIterator::CURRENT_AS_FILEINFO));
/* @var $file SplFileInfo */
foreach ($it as $file) {
    $idToFind = $file->getBasename('.jpg');
    $matches = array();
    if (preg_match_all('/^(?<Prefix>[MXSIV]-)?[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}(?<Suffix>-[1-9][0-9]*-[1-9][0-9]*)?$/i', $idToFind, $matches) > 0) {
        $CacheImageInDB = CacheImage::GetCacheImages(new CacheImageSearchParameters(str_ireplace($matches['Prefix'], '', str_ireplace($matches['Suffix'], '', $idToFind))));
        if (!$CacheImageInDB) {
            unlink($file->getRealPath());
        }
    }
}
/* @var $CacheImage CacheImage */
foreach ($CacheImages as $CacheImage) {
    $FileToFind = $CacheImage->getFilenameOnDisk();
    if (!file_exists($FileToFind)) {
        CacheImage::Delete($CacheImage, $CurrentUser);
    }
}
$infoSuccess = new Info($lang->g('MessageCacheImagesCleaned'));
Info::AddInfo($infoSuccess);
HTMLstuff::RefererRedirect();