1 files changed, 43 insertions, 0 deletions
diff --git a/angebote/inc/functions.php b/angebote/inc/functions.php
new file mode 100644
index 0000000..de9a03d
--- /dev/null
+++ b/angebote/inc/functions.php
@@ -0,0 +1,43 @@
+<?php
+
+if ( ! defined( 'ABSPATH' ) ) {
+        exit; // Exit if accessed directly.
+}
+
+function create_offer_link() {
+        global $wp;
+
+        // get current url with query string.
+        $current_url =  home_url( $wp->request );
+        $page =  str_replace("https://www.fuselkoenig.de/angebote/whisky/", "", $current_url);
+
+	/*
+	 * sanitization of query variable
+	 */
+	$sort = get_query_var('_sort', 1);
+	switch ( $sort ) {
+	case("price"):
+	case("name"):
+	case("shop"):
+	case("procent"):
+	case("time"):
+		break;
+	default:
+		$sort = "";
+		break;
+	}
+
+	/*
+	 * sanitization of query variable
+	 */
+	$order = get_query_var('_order', 1);
+	switch ( $order) {
+	case("asc"):
+	case("desc"):
+		break;
+	default:
+		$order = "";
+	}
+
+	return "https://angebote.fuselkoenig.de/wp/whisky?page=" . $page . "&_sort=" . $sort . "&_order=" . $order;
+}