function remove($wsdl) {
		$filename = $this->createFilename($wsdl);
		if (!file_exists($filename)) {
			$this->debug("$wsdl ($filename) not in cache to be removed");
			return false;
		}
		// ignore errors obtaining mutex
		$this->obtainMutex($filename, "w");
		$ret = unlink($filename);
		$this->debug("Removed ($ret) $wsdl ($filename) from cache");
		$this->releaseMutex($filename);
		return $ret;
	}
function remove($wsdl) {
		$filename = $this->createFilename($wsdl);
		if (!file_exists($filename)) {
			$this->debug("$wsdl ($filename) not in cache to be removed");
			return false;
		}
		// ignore errors obtaining mutex
		$this->obtainMutex($filename, "w");
		$ret = unlink($filename);
		$this->debug("Removed ($ret) $wsdl ($filename) from cache");
		$this->releaseMutex($filename);
		return $ret;
	}
function remove ( $ wsdl ) { $ filename = $ this -> createFilename ( $ wsdl ) ; if ( ! file_exists ( $ filename ) ) { $ this -> debug ( "$wsdl ($filename) not in cache to be removed" ) ; return false ; } // ignore errors obtaining mutex
 $ this -> obtainMutex ( $ filename , "w" ) ; $ ret = unlink ( $ filename ) ; $ this -> debug ( "Removed ($ret) $wsdl ($filename) from cache" ) ; $ this -> releaseMutex ( $ filename ) ; return $ ret ; }
removes a wsdl instance from the cache

@param string $wsdl The URL of the wsdl instance
@return boolean Whether there was an instance to remove
@access public
removes a wsdl instance from the cache