Added wordpress-ai-privacy-plugin to upstream

wp-content/plugins/wordpress-ai-privacy-plugin/remove-gravatar.php

+<?php
+/*
+Plugin Name: Wordpress-privacy-ai
+Version: 0.0.1
+Plugin URI: none
+Description: Filtra alcuni parametri per la privacy
+Author: A/I
+*/
+
+//Elimino i gravatar in caso di avatar non presente
+if ( !function_exists('get_avatar') ) :
+function get_avatar( $id_or_email, $size = '96', $default = '', $alt = false ) {
+        if ( ! get_option('show_avatars') )
+                return false;
+
+        if ( false === $alt)
+                $safe_alt = '';
+        else
+                $safe_alt = esc_attr( $alt );
+
+        if ( !is_numeric($size) )
+                $size = '96';
+
+        $email = '';
+        if ( is_numeric($id_or_email) ) {
+                $id = (int) $id_or_email;
+                $user = get_userdata($id);
+                if ( $user )
+                        $email = $user->user_email;
+        } elseif ( is_object($id_or_email) ) {
+                // No avatar for pingbacks or trackbacks
+                $allowed_comment_types = apply_filters( 'get_avatar_comment_types', array( 'comment' ) );
+                if ( ! empty( $id_or_email->comment_type ) && ! in_array( $id_or_email->comment_type, (array) $allowed_comment_types ) )
+                        return false;
+
+                if ( !empty($id_or_email->user_id) ) {
+                        $id = (int) $id_or_email->user_id;
+                        $user = get_userdata($id);
+                        if ( $user)
+                                $email = $user->user_email;
+                } elseif ( !empty($id_or_email->comment_author_email) ) {
+                        $email = $id_or_email->comment_author_email;
+                }
+        } else {
+                $email = $id_or_email;
+        }
+
+        if ( empty($default) ) {
+                        $default = 'mystery';
+        }
+
+
+        if ( 'mystery' == $default )
+                $default = plugins_url( 'images/mystery-man-50.jpg' , __FILE__ );
+        elseif ( 'blank' == $default )
+                $default = includes_url('images/blank.gif');
+                $avatar = "<img alt='{$safe_alt}' src='{$default}' class='avatar' height='{$size}' width='{$size}' />";
+        return apply_filters('get_avatar', $avatar, $id_or_email, 40 , $default, $alt);
+}
+endif;