public function setSize($size)
    {
        if ($this->getSize() !== $size) {
            $this->changed = true;
            parent::setSize($size);
        }
    }
public function setSize($size)
    {
        if ($this->getSize() !== $size) {
            $this->changed = true;
            parent::setSize($size);
        }
    }
public function setSize ( $ size ) { if ( $ this -> getSize ( ) !== $ size ) { $ this -> changed = true ; parent :: setSize ( $ size ) ; } }
Set new size of collection.

@param int $size
Set new size of collection .