function CheckCacheFiles_Rec($strDir)
{
global $iGoodNum, $iOldNum, $iEmptyDirNum, $dLog;
if ($handle = @opendir($strDir))
{
while (($file = readdir($handle)) !== false)
{
if ($file == "." || $file == "..") continue;
if (is_dir($strDir."/".$file))
{
CheckCacheFiles_Rec($strDir."/".$file);
}
elseif (is_file($strDir."/".$file))
{
$ext = "";
$ext_pos = bxstrrpos($file, ".");
if ($ext_pos!==false)
$ext = substr($file, $ext_pos + 1);
$bCacheExp = False;
if ($ext=="html")
$bCacheExp = CPageCache::IsCacheExpired($strDir."/".$file);
elseif ($ext=="php")
$bCacheExp = CPHPCache::IsCacheExpired($strDir."/".$file);
if ($bCacheExp)
{
$iOldNum++;
@unlink($strDir."/".$file);
}
else
{
$iGoodNum++;
}
}
}
@closedir($handle);
}
clearstatcache();
$bEmptyFolder = True;
if ($handle = @opendir($strDir))
{
while (($file = readdir($handle)) !== false)
{
if ($file == "." || $file == "..") continue;
$bEmptyFolder = False;
break;
}
}
if ($bEmptyFolder)
{
$iEmptyDirNum++;
@rmdir($strDir);
}
}
function BXClearCache($full = false, $initdir = "")
{
if ($full !== true && $full !== false && $initdir === "" && is_string($full)) {
$initdir = $full;
$full = true;
}
$res = true;
if ($full === true) {
$obCache = new CPHPCache();
$obCache->CleanDir($initdir, "cache");
}
$path = $_SERVER["DOCUMENT_ROOT"] . BX_PERSONAL_ROOT . "/cache" . $initdir;
if (is_dir($path) && ($handle = opendir($path))) {
while (($file = readdir($handle)) !== false) {
if ($file == "." || $file == "..") {
continue;
}
if (is_dir($path . "/" . $file)) {
if (!BXClearCache($full, $initdir . "/" . $file)) {
$res = false;
} else {
@chmod($path . "/" . $file, BX_DIR_PERMISSIONS);
//We suppress error handle here because there may be valid cache files in this dir
@rmdir($path . "/" . $file);
}
} elseif ($full) {
@chmod($path . "/" . $file, BX_FILE_PERMISSIONS);
if (!unlink($path . "/" . $file)) {
$res = false;
}
} elseif (substr($file, -5) == ".html") {
if (CPageCache::IsCacheExpired($path . "/" . $file)) {
@chmod($path . "/" . $file, BX_FILE_PERMISSIONS);
if (!unlink($path . "/" . $file)) {
$res = false;
}
}
} elseif (substr($file, -4) == ".php") {
if (CPHPCache::IsCacheExpired($path . "/" . $file)) {
@chmod($path . "/" . $file, BX_FILE_PERMISSIONS);
if (!unlink($path . "/" . $file)) {
$res = false;
}
}
} else {
//We should skip unknown file
//it will be deleted with full cache cleanup
}
}
closedir($handle);
}
return $res;
}
