core-bundle/src/Resources/contao/library/Contao/Model/Collection.php
public function save()
	{
		if ($this->intIndex < 0)
		{
			$this->first();
		}

		$this->arrModels[$this->intIndex]->save();

		return $this;
	}
public function save()
	{
		if ($this->intIndex < 0)
		{
			$this->first();
		}

		$this->arrModels[$this->intIndex]->save();

		return $this;
	}
public function save ( ) { if ( $ this -> intIndex < 0 ) { $ this -> first ( ) ; } $ this -> arrModels [ $ this -> intIndex ] -> save ( ) ; return $ this ; }
Save the current model

@return static The model collection object
Save the current model