WP Sentinal

A WordPress MU (Must Use) plugin that monitors plugin activations/deactivations during WordPress updates and sends email alerts.

📋 Description

WP Sentinal is designed to solve a common WordPress issue: plugins becoming deactivated during WordPress plugin updates. When this happens, site functionality can break without the administrator's knowledge.

How It Works

This plugin works by:

1. 🔍 Monitoring which plugins are active before updates occur
2. ✅ Checking which plugins remain active after updates complete
3. 📧 Sending an email alert with detailed information about any plugins that were deactivated

✨ Features

Core Functionality

• ✅ Works with both single site and multisite WordPress installations
• 📧 Sends email alerts with detailed information about deactivated plugins
• 🔄 Supports detection of network-activated and site-specific plugin deactivations
• 🎛️ Network admin settings page for easy configuration
• 🔘 Option to enable/disable notifications

Email Customization

• 👤 Configurable email sender name and email address
• 📝 Customizable email subject lines with variable support
• 👥 Support for multiple recipients
• 🔤 HTML or plain text email formats

Detailed Reporting

• 📊 Plugin comparison table (with upgraded plugins highlighted)
• 🌐 Multisite-specific display options:
  • Combined table with site information for each plugin
  • Separate tables for each site in the network
• 📋 List of upgraded plugins
• 🕒 Upgrade timestamp

🔧 Installation

Manual Installation

1. Upload the wp-sentinal directory to the /wp-content/mu-plugins/ directory
2. Unzip the wp-sentinal directory
3. Move the content of the wp-sentinal directory into the /wp-content/mu-plugins/ directory then delete the empty wp-sentinal directory
4. If the mu-plugins directory doesn't exist, create it

Configuration

1. Access the plugin settings via:

   • Multisite: Network Admin > Settings > WP Sentinal
   • Single site: Settings > WP Sentinal

2. Configure your notification settings:

   Setting	Description
   Primary recipient	Main email address to receive notifications
   Additional recipients	One email per line
   Sender name	Name that appears in the From field
   Sender email	Email address that appears in the From field
   Email subjects	Customizable with variables
   Comparison table	Enable/disable and format options
   Multisite display	Combined or separate tables
   Upgraded plugins list	Show/hide list of upgraded plugins
   Upgrade timestamp	Show/hide when the upgrade occurred

📧 Email Alert Format

WP Sentinal provides highly customizable email alerts with both HTML and plain text formats.

🚫 When Plugins Are Deactivated (Failure Report)

Subject: WP Sentinal Report | yourdomain.com | FAIL

Contents:

• ❌ List of deactivated plugins with their names and file paths
• 🌐 For multisite: Information about which sites were affected
• 📊 Optional plugin comparison table (with upgraded plugins highlighted)
  • For multisite: Choose between a combined table with site information or separate tables for each site
• 📋 Optional list of upgraded plugins
• 🕒 Optional upgrade timestamp

✅ When All Plugins Remain Active (Success Report)

Subject: WP Sentinal Report | yourdomain.com | All OK

Contents:

• ✅ Confirmation that all plugins remain active
• 📊 Optional plugin comparison table (with upgraded plugins highlighted)
  • For multisite: Choose between a combined table with site information or separate tables for each site
• 📋 Optional list of upgraded plugins
• 🕒 Optional upgrade timestamp

🔄 Email Customization Variables

The following variables can be used in email subject lines:

Variable	Description
%host%	The domain name of your site
%site_name%	The name of your WordPress site
%date%	The current date
%time%	The current time

🔧 Requirements

• WordPress 4.6 or higher
• PHP 5.6 or higher

👨‍💻 Author & Contributors

Author:

• Lee Hodson (VR51)

Contributors:

• Cascade

💰 Support

If you find this plugin useful, consider supporting its development:

• Donate via PayPal

📜 License

This plugin is licensed under the GPL v2 or later.

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.