public function addElementsClass($class) {
		foreach ($this->getElements() as $element) {
			if ($element instanceof Tag) {
				$element->addClass($class);
			}
		}
		
		return $this;
	}
public function addElementsClass($class) {
		foreach ($this->getElements() as $element) {
			if ($element instanceof Tag) {
				$element->addClass($class);
			}
		}
		
		return $this;
	}
public function addElementsClass ( $ class ) { foreach ( $ this -> getElements ( ) as $ element ) { if ( $ element instanceof Tag ) { $ element -> addClass ( $ class ) ; } } return $ this ; }
Add the class for each element

@param  string $class
@return MultiElementsAbstract
Add the class for each element