php遍历目录，生成目录下每个文件的md5值并写入到结果文件中

 array("';		$content .= $fileSize;		$content .= '","';		$content .= $fileMd5;		$content .= '"),';		$content .= "/n";				if (! fwrite ( $fileHandle, $content )) {			print ($filePath . " can not be written!") ;		}	}		/**	 * 在manifes文件中写入头信息	 *	 * @param unknown $fileHandle        		 */	public static function writeMaifestHeader($fileHandle) {		$header = "