4.4.4

core/helpers/class-stats.php

@@ -67,6 +67,11 @@ public static function get_pro( $post_id = null, $percentages = false )
 	{
 		if ( is_null( $post_id ) ) {
 			global $post;
+
+			if ( ! isset( $post->ID ) ) {
+				return 0;
+			}
+
 			$post_id = $post->ID;
 		}
 
@@ -125,6 +130,11 @@ public static function get_contra( $post_id = null, $percentages = false )
 	{
 		if ( is_null( $post_id ) ) {
 			global $post, $wpdb;
+
+			if ( ! isset( $post->ID ) ) {
+				return 0;
+			}
+
 			$post_id = $post->ID;
 		}
 

core/helpers/class-values.php

@@ -85,6 +85,11 @@ public static function get_defaults()
 	public static function convert_tags( $string, $post_id )
 	{
 		$post   = get_post( $post_id );
+
+		if ( ! isset( $post->ID ) ) {
+			return $string;
+		}
+
 		$pro    = Stats::get_pro( $post->ID );
 		$contra = Stats::get_contra( $post->ID );
 

helpful.php

@@ -2,7 +2,7 @@
 /**
  * Plugin Name: Helpful
  * Description: Add a fancy feedback form under your posts or post-types and ask your visitors a question. Give them the abbility to vote with yes or no.
- * Version: 4.4.3
+ * Version: 4.4.4
  * Author: Pixelbart
  * Author URI: https://pixelbart.de
  * Text Domain: helpful

readme.txt

@@ -5,7 +5,7 @@ Tags: helpful, poll, feedback, reviews, vote, review, voting
 Requires at least: 4.6
 Tested up to: 5.6
 Requires PHP: 5.6.20
-Stable tag: 4.4.3
+Stable tag: 4.4.4
 License: MIT License
 License URI: https://opensource.org/licenses/MIT