<?

	class DBMtime {
	
		private $filename;
		private $filemtime;
		private $mtime;
	
		function __construct($filename) {
		
			$db =& MDB2::singleton();
			
			$this->filename = $filename;
			
			if(file_exists($filename))
				$this->filemtime = filemtime($filename);
			
			$sql = "SELECT mtime FROM mtime WHERE filename = ".$db->quote($this->filename).";";
			
			$this->mtime = $db->getOne($sql);
			
		}
		
		public function __get($var) {
			return $this->$var;
		}
		
		public function __set($var, $value) {
			
			$db =& MDB2::singleton();
			
			if($var == 'mtime') {
			
				$udate = $db->getOne("SELECT NOW();");
			
				if(is_null($this->mtime)) {
					
					$arr_insert = array(
						'filename' => $this->filename,
						'mtime' => $value,
					);
					
					$db->autoExecute('mtime', $arr_insert, MDB2_AUTOQUERY_INSERT);
				} else {
			
					$arr_update = array(
						'mtime' => $value,
						'udate' => $udate,
					);
					
					$db->autoExecute('mtime', $arr_update, MDB2_AUTOQUERY_UPDATE, "filename = ".$db->quote($this->filename));
				}
			
			}
			
		}
		
	}

?>