mambax7 / XoopsCore25

	function CleanUpCacheDirectory() {

		$this->DebugMessage('CleanUpCacheDirectory() set to purge ('.(is_null($this->config_cache_maxage) ? 'NULL' : number_format($this->config_cache_maxage / 86400, 1)).' days; '.(is_null($this->config_cache_maxsize) ? 'NULL' : number_format($this->config_cache_maxsize / 1048576, 2)).' MB; '.(is_null($this->config_cache_maxfiles) ? 'NULL' : number_format($this->config_cache_maxfiles)).' files)', __FILE__, __LINE__);

		if (!is_writable($this->config_cache_directory)) {

			$this->DebugMessage('CleanUpCacheDirectory() skipped because "'.$this->config_cache_directory.'" is not writable', __FILE__, __LINE__);

			return true;

		}

		// cache status of cache directory for 1 hour to avoid hammering the filesystem functions

		$phpThumbCacheStats_filename = $this->config_cache_directory.DIRECTORY_SEPARATOR.'phpThumbCacheStats.txt';

			}

			$this->DebugMessage('$this->config_cache_directory ('.$this->config_cache_directory.') is not a directory', __FILE__, __LINE__);

			$this->config_cache_directory = null;

		} elseif (!@is_writable($this->config_cache_directory)) {

			$this->DebugMessage('$this->config_cache_directory is not writable ('.$this->config_cache_directory.')', __FILE__, __LINE__);

		}

		$this->InitializeTempDirSetting();

		if (!@is_dir($this->config_temp_directory) && !@is_writable($this->config_temp_directory) && @is_dir($this->config_cache_directory) && @is_writable($this->config_cache_directory)) {