public function isEmpty()
	{
		if ($this->partCount === 0) {
			return true;
		}
		if ($this->partCount === 1) {
			return $this->firstPart === '';
		}
		if ($this->partCount === 3 && $this->isStreamWrapped()) {
			return true;
		}
		return false;
	}
public function isEmpty()
	{
		if ($this->partCount === 0) {
			return true;
		}
		if ($this->partCount === 1) {
			return $this->firstPart === '';
		}
		if ($this->partCount === 3 && $this->isStreamWrapped()) {
			return true;
		}
		return false;
	}
public function isEmpty ( ) { if ( $ this -> partCount === 0 ) { return true ; } if ( $ this -> partCount === 1 ) { return $ this -> firstPart === '' ; } if ( $ this -> partCount === 3 && $ this -> isStreamWrapped ( ) ) { return true ; } return false ; }
Is the this path empty?

@return boolean
Is the this path empty?