public function removeHole(Hole $hole)
    {
        if ($this->holes->contains($hole)) {
            $this->holes->removeElement($hole);
        }
    }
public function removeHole(Hole $hole)
    {
        if ($this->holes->contains($hole)) {
            $this->holes->removeElement($hole);
        }
    }
public function removeHole ( Hole $ hole ) { if ( $ this -> holes -> contains ( $ hole ) ) { $ this -> holes -> removeElement ( $ hole ) ; } }
Removes a hole.

@param Hole $hole
Removes a hole .