$ch = curl_init("http://192.102.52.20/magento/index.php/rest/V1/products?searchCriteria[filterGroups][0][filters][extension_attributes][field]=category_id&searchCriteria[filterGroups][0][filters][extension_attributes][value]=7&searchCriteria[filterGroups][0][filters][0][field]=type_id&searchCriteria[filterGroups][0][filters][0][value]=configurable&searchCriteria[filterGroups][0][filters][1][field]=size&searchCriteria[filterGroups][0][filters][1][value]=5&searchCriteria[filterGroups][0][filters][2][field]=color&searchCriteria[filterGroups][0][filters][2][value]=17