stable tag update and $_REQUEST direct calling issue fixed

includes/helper-functions.php

@@ -558,11 +558,10 @@ function wpt_add_custom_message_field() {
      * @return boolean
      */
     function wpt_custom_message_validation() { 
-        $req = isset( $_REQUEST ) && ! empty( $_REQUEST ) ? $_REQUEST : array();
 
-        if ( empty( $req['wpt_custom_message'] ) ) {
+        if ( isset( $_REQUEST['wpt_custom_message'] ) && empty( $_REQUEST['wpt_custom_message'] ) ) {
             $short_mesg_warning = __( 'Please enter Short Message', 'wpt_pro' );
-            $short_mesg_warning = apply_filters( 'wpto_short_message_warning', $short_mesg_warning, $req );
+            $short_mesg_warning = apply_filters( 'wpto_short_message_warning', $short_mesg_warning );
             wc_add_notice( $short_mesg_warning, 'error' );
             return false;
         }
@@ -580,9 +579,9 @@ function wpt_custom_message_validation() {
      * @return string
      */
     function wpt_save_custom_message_field( $cart_item_data, $product_id ) {
-        $req = isset( $_REQUEST ) && ! empty( $_REQUEST ) ? $_REQUEST : array();
-        if( isset( $req['wpt_custom_message'] ) ) {
-            $generated_message = esc_html( $req['wpt_custom_message'] );
+
+        if( isset( $_REQUEST['wpt_custom_message'] ) ) {
+            $generated_message = esc_html( $_REQUEST['wpt_custom_message'] );
             $cart_item_data[ 'wpt_custom_message' ] =  $generated_message; //XSS ok
             /* below statement make sure every add to cart action as unique line item */
             $cart_item_data['unique_key'] = $product_id . '_' . $generated_message;//md5( microtime().rand() );

readme.txt

@@ -4,7 +4,7 @@ Donate link: https://codecanyon.net/item/woo-product-table-pro/20676867?ref=Code
 Tags: wc product table,woocommerce product table, product table, wc table, quick order table, wholesale table, restaurants table
 Requires at least: 4.0.0
 Tested up to: 5.7.2
-Stable tag: 2.9.0
+Stable tag: 2.9.1
 Requires PHP: 5.6
 License: GPLv2 or later
 License URI: https://www.gnu.org/licenses/gpl-2.0.html