src/Collection.php
public function save( array $options = array() ) {

		foreach ( $this->elements as $element ) {
			$this->saver->save( $element, $options );
		}
	}
public function save( array $options = array() ) {

		foreach ( $this->elements as $element ) {
			$this->saver->save( $element, $options );
		}
	}
Save all items in the collection.

@since 2.0

@param array $options