public static function find_by_sku($sku) { include WCAPIDIR . "/_globals.php"; $product = new Product(); $product->setValid(false); $pid = $wpdb->get_var($wpdb->prepare("SELECT post_id FROM {$wpdb->posts} WHERE post_title = %s' LIMIT 1", $sku)); if ($pid) { $product = Product::find($pid); } return $product; }