public function removeCell(Cell $cell)
    {
        if ($this->cells->contains($cell)) {
            $this->cells->removeElement($cell);
        }
    }
public function removeCell(Cell $cell)
    {
        if ($this->cells->contains($cell)) {
            $this->cells->removeElement($cell);
        }
    }
public function removeCell ( Cell $ cell ) { if ( $ this -> cells -> contains ( $ cell ) ) { $ this -> cells -> removeElement ( $ cell ) ; } }
Remove cell.

@param Cell $cell
Remove cell .