version bump to 1.8 and fixed the validate_ip function

includes/shortcodes.php

@@ -1,6 +1,6 @@
 <?php
 
-add_action( 'wp', 'wppv_add_custom_shortcode' );
+add_action( 'init', 'wppv_add_custom_shortcode' );
 function wppv_add_custom_shortcode() {
 	/**
 	 * @param $post which is Post id ( Optional )

readme.txt

@@ -4,7 +4,7 @@ Tags: post views, count wordpress site views, show post views, post view counter
 Requires at least: 5.0
 Requires PHP: 5.3
 Tested up to: 5.8
-Stable tag: 1.7
+Stable tag: 1.8
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
 
@@ -46,6 +46,10 @@ Use this shortcode.
 
 == Changelog ==
 
+= 1.8 - 19/12/2021 =
+- Version Bump to 5.8
+- Fix `validate_ip()` function creates error.
+
 = 1.6 & 1.7 - 14/07/2020 =
 - Version bump to 5.8
 

wp-post-views.php

@@ -11,7 +11,7 @@
  * Plugin Name:       WP Post Views
  * Plugin URI:        https://github.com/vanpariyar/wp-post-views
  * Description:       WP Post Views.
- * Version:           1.7
+ * Version:           1.8
  * Requires at least: 5.0
  * Requires PHP:      5.3
  * Author:            Ronak J Vanpariya
@@ -89,24 +89,24 @@ public function wppv_posts_custom_column_views( $column ) {
 	public function get_ip_address() 
 	{
 	    // check for shared internet/ISP IP
-	    if (!empty($_SERVER['HTTP_CLIENT_IP']) && validate_ip($_SERVER['HTTP_CLIENT_IP']))
+	    if (!empty($_SERVER['HTTP_CLIENT_IP']) && $this->validate_ip($_SERVER['HTTP_CLIENT_IP']))
 	        return $_SERVER['HTTP_CLIENT_IP'];
 	    // check for IPs passing through proxies
 	    if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
 	        // check if multiple ips exist in var
 	        $iplist = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
 	        foreach ($iplist as $ip) {
-	            if (validate_ip($ip))
+	            if ($this->validate_ip($ip))
 	                return $ip;
 	        }
 	    }
-	    if (!empty($_SERVER['HTTP_X_FORWARDED']) && validate_ip($_SERVER['HTTP_X_FORWARDED']))
+	    if (!empty($_SERVER['HTTP_X_FORWARDED']) && $this->validate_ip($_SERVER['HTTP_X_FORWARDED']))
 	        return $_SERVER['HTTP_X_FORWARDED'];
-	    if (!empty($_SERVER['HTTP_X_CLUSTER_CLIENT_IP']) && validate_ip($_SERVER['HTTP_X_CLUSTER_CLIENT_IP']))
+	    if (!empty($_SERVER['HTTP_X_CLUSTER_CLIENT_IP']) && $this->validate_ip($_SERVER['HTTP_X_CLUSTER_CLIENT_IP']))
 	        return $_SERVER['HTTP_X_CLUSTER_CLIENT_IP'];
-	    if (!empty($_SERVER['HTTP_FORWARDED_FOR']) && validate_ip($_SERVER['HTTP_FORWARDED_FOR']))
+	    if (!empty($_SERVER['HTTP_FORWARDED_FOR']) && $this->validate_ip($_SERVER['HTTP_FORWARDED_FOR']))
 	        return $_SERVER['HTTP_FORWARDED_FOR'];
-	    if (!empty($_SERVER['HTTP_FORWARDED']) && validate_ip($_SERVER['HTTP_FORWARDED']))
+	    if (!empty($_SERVER['HTTP_FORWARDED']) && $this->validate_ip($_SERVER['HTTP_FORWARDED']))
 	        return $_SERVER['HTTP_FORWARDED'];
 	    // return unreliable ip since all else failed
 	    return $_SERVER['REMOTE_ADDR'];