client/html/src/Client/Html/Catalog/Lists/Items/Standard.php
protected function getProductIds( array $productItems )
	{
		$prodIds = [];

		foreach( $productItems as $product )
		{
			if( $product->getType() === 'select' ) {
				$prodIds = array_merge( $prodIds, array_keys( $product->getRefItems( 'product', 'default', 'default' ) ) );
			}
		}

		return $prodIds;
	}
protected function getProductIds( array $productItems )
	{
		$prodIds = [];

		foreach( $productItems as $product )
		{
			if( $product->getType() === 'select' ) {
				$prodIds = array_merge( $prodIds, array_keys( $product->getRefItems( 'product', 'default', 'default' ) ) );
			}
		}

		return $prodIds;
	}
protected function getProductIds ( array $ productItems ) { $ prodIds = [ ] ; foreach ( $ productItems as $ product ) { if ( $ product -> getType ( ) === 'select' ) { $ prodIds = array_merge ( $ prodIds , array_keys ( $ product -> getRefItems ( 'product' , 'default' , 'default' ) ) ) ; } } return $ prodIds ; }
Returns the product IDs of the selection products

@param \Aimeos\MShop\Product\Item\Iface[] $productItems List of product items
@return string[] List of product IDs
Returns the product IDs of the selection products