woothemes/woocommerce

<?php
/**
 * Class for parameter-based Product querying
 *
 * Args and usage: https://github.com/woocommerce/woocommerce/wiki/wc_get_products-and-WC_Product_Query
 *
 * @package  WooCommerce\Classes
 * @version  3.2.0
 * @since    3.2.0
 */

defined( 'ABSPATH' ) || exit;

/**
 * Product query class.
 */
class WC_Product_Query extends WC_Object_Query {

    /**
     * Valid query vars for products.
     *
     * @return array
     */
    protected function get_default_query_vars() {
        return array_merge(
            parent::get_default_query_vars(),
            array(
                'status'            => array( 'draft', 'pending', 'private', 'publish' ),
                'type'              => array_merge( array_keys( wc_get_product_types() ) ),
                'limit'             => get_option( 'posts_per_page' ),
                'include'           => array(),
                'date_created'      => '',
                'date_modified'     => '',
                'featured'          => '',
                'visibility'        => '',
                'sku'               => '',
                'price'             => '',
                'regular_price'     => '',
                'sale_price'        => '',
                'date_on_sale_from' => '',
                'date_on_sale_to'   => '',
                'total_sales'       => '',
                'tax_status'        => '',
                'tax_class'         => '',
                'manage_stock'      => '',
                'stock_quantity'    => '',
                'stock_status'      => '',
                'backorders'        => '',
                'low_stock_amount'  => '',
                'sold_individually' => '',
                'weight'            => '',
                'length'            => '',
                'width'             => '',
                'height'            => '',
                'reviews_allowed'   => '',
                'virtual'           => '',
                'downloadable'      => '',
                'category'          => array(),
                'tag'               => array(),
                'shipping_class'    => array(),
                'download_limit'    => '',
                'download_expiry'   => '',
                'average_rating'    => '',
                'review_count'      => '',
            )
        );
    }

    /**
     * Get products matching the current query vars.
     *
     * @return array|object of WC_Product objects
     */
    public function get_products() {
        $args    = apply_filters( 'woocommerce_product_object_query_args', $this->get_query_vars() );
        $results = WC_Data_Store::load( 'product' )->query( $args );
        return apply_filters( 'woocommerce_product_object_query', $results, $args );
    }
}