17 lines
422 B
PHP
17 lines
422 B
PHP
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<?php
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class Cart extends CartCore
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{
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public static function getQuantityByProduct($id_cart, $id_product, $id_product_attribute = 0)
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{
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return (int)Db::getInstance()->getValue('
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SELECT SUM(`quantity`)
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FROM `'._DB_PREFIX_.'cart_product`
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WHERE `id_cart` = '.(int)$id_cart .'
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AND `id_product` = '.(int)$id_product .'
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AND `id_product_attribute` = '.(int)$id_product_attribute
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);
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}
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}
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