original_string: function releaseMutex($filename) {
  		$ret = flock($this->fplock[md5($filename)], LOCK_UN);
  		fclose($this->fplock[md5($filename)]);
  		unset($this->fplock[md5($filename)]);
  		if (! $ret) {
  			$this->debug("Not able to release lock for $filename");
  		}
  		return $ret;
  	}
code: function releaseMutex($filename) {
  		$ret = flock($this->fplock[md5($filename)], LOCK_UN);
  		fclose($this->fplock[md5($filename)]);
  		unset($this->fplock[md5($filename)]);
  		if (! $ret) {
  			$this->debug("Not able to release lock for $filename");
  		}
  		return $ret;
  	}
code_tokens: function releaseMutex ( $ filename ) { $ ret = flock ( $ this -> fplock [ md5 ( $ filename ) ] , LOCK_UN ) ; fclose ( $ this -> fplock [ md5 ( $ filename ) ] ) ; unset ( $ this -> fplock [ md5 ( $ filename ) ] ) ; if ( ! $ ret ) { $ this -> debug ( "Not able to release lock for $filename" ) ; } return $ ret ; }
docstring: releases the local mutex
  
  @param string $filename The Filename of the Cache to lock
  @return boolean Lock successfully released
  @access private
docstring_tokens: releases the local mutex