update plugins

wp/wp-content/plugins/user-role-editor/includes/classes/uninstall.php

@@ -0,0 +1,95 @@
+<?php
+
+class URE_Uninstall {
+    
+    protected $lib = null;
+    protected $options = null;
+    protected $own_caps = null;
+    
+    public function __construct() {
+    
+        $this->lib = URE_Lib::get_instance();
+        $this->init_options_list();
+        $this->own_caps = array_keys( URE_Own_Capabilities::get_caps() );
+        
+    }
+    // end of __construct()
+    
+    
+    protected function init_options_list() {
+        
+        $this->options = array();
+        $this->options[] = 'ure_caps_readable';
+        $this->options[] = 'ure_show_deprecated_caps';
+        $this->options[] = 'ure_hide_pro_banner';
+        $this->options[] = 'ure_role_additional_options_values';
+        $this->options[] = 'ure_task_queue';
+        $this->options[] = 'user_role_editor';
+        
+    }
+    // end fo init_options_list()
+    
+    
+    private function delete_options() {
+        global $wpdb;
+
+        $backup_option_name = $wpdb->prefix . 'backup_user_roles';
+        delete_option( $backup_option_name );
+        foreach ( $this->options as $option_name ) {
+            delete_option( $option_name );
+        }
+        
+    }
+    // end of delete_options()
+
+                
+    private function delete_caps() {
+        
+                
+        $wp_roles = wp_roles();
+        if ( $wp_roles->use_db ) {
+            $wp_roles->use_db = false;  // minimize database update requests
+            $use_db = true;
+        } else {
+            $use_db = false;
+        }
+        
+        foreach( $wp_roles->roles as $role_id=>$role ) {
+            foreach( $this->own_caps as $cap ) {
+                if ( isset( $role['capabilities'][ $cap ]) ) {
+                    $wp_roles->remove_cap( $role_id, $cap );
+                }
+            }
+        }
+                
+        if ( $use_db ) {    // save changes to the database
+            $wp_roles->add_cap( 'subscriber', 'dummy_cap' );
+            $wp_roles->use_db = true;   // restore original value
+            $wp_roles->remove_cap( 'subscriber', 'dummy_cap' );
+        }
+        
+    }
+    // end of delete_caps()
+    
+    
+    public function act() {
+        global $wpdb;
+        
+        if ( !is_multisite() ) {
+            $this->delete_options();
+            $this->delete_caps();
+        } else {
+            $old_blog = $wpdb->blogid;
+            $blog_ids = $this->lib->get_blog_ids();
+            foreach ( $blog_ids as $blog_id ) {
+                switch_to_blog( $blog_id );
+                $this->delete_options();
+                $this->delete_caps();
+            }
+            $this->lib->restore_after_blog_switching( $old_blog );
+        }
+    }
+    // end of act()
+    
+}
+// end of class URE_Uninstall