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chrisdavidmiles/plugin-update-notifications.php

Created June 13, 2025 00:21
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  1. chrisdavidmiles created this gist Jun 13, 2025.
    84 changes: 84 additions & 0 deletions plugin-update-notifications.php
    View file
    Original file line number Diff line number Diff line change
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    <?php
    /**
    * Plugin Name: Plugin Update Notifications
    * Description: Sends notifications when plugin updates are available via Email, Discord webhook, or ntfy.sh webhook.
    * Version: 1.0
    * Update URI: false
    */

    defined('ABSPATH') || exit; // Exit if accessed directly

    class Plugin_Update_Notifications {

    // Notification method: 'email', 'discord', or 'ntfy'
    private $notification_method = 'ntfy';

    // Discord webhook URL (replace with your webhook URL)
    private $discord_webhook_url = 'https://discord.com/api/webhooks/123/w3bh00k_t0k3n';

    // ntfy.sh webhook URL (replace with your ntfy.sh URL)
    private $ntfy_webhook_url = 'https://ntfy.sh/miles-cool-plugin-update-demo';

    public function __construct() {
    add_action('set_site_transient_update_plugins', [$this, 'check_plugin_updates']);
    }

    public function check_plugin_updates($transient) {
    if (empty($transient->response)) {
    return;
    }

    $updates_available = [];
    foreach ($transient->response as $plugin_file => $plugin_data) {
    $plugin_info = get_plugin_data(WP_PLUGIN_DIR . '/' . $plugin_file);
    $updates_available[] = $plugin_info['Name'] . ' (' . $plugin_info['Version'] . ' → ' . $plugin_data->new_version . ')';
    }

    if (!empty($updates_available)) {
    $message = "Plugin updates available:\n\n" . implode("\n", $updates_available);
    $this->send_notification($message);
    }
    }

    private function send_notification($message) {
    switch ($this->notification_method) {
    case 'email':
    $this->send_email($message);
    break;
    case 'discord':
    $this->send_discord($message);
    break;
    case 'ntfy':
    $this->send_ntfy($message);
    break;
    }
    }

    private function send_email($message) {
    $subject = 'Plugin Updates Available';
    $admin_email = get_option('admin_email');
    wp_mail($admin_email, $subject, $message);
    }

    private function send_discord($message) {
    $payload = json_encode([
    'username' => 'WP Plugin Notifier',
    'content' => $message
    ]);

    wp_remote_post($this->discord_webhook_url, [
    'headers' => ['Content-Type' => 'application/json'],
    'body' => $payload,
    'timeout' => 10,
    ]);
    }

    private function send_ntfy($message) {
    wp_remote_post($this->ntfy_webhook_url, [
    'body' => $message,
    'timeout' => 10,
    ]);
    }
    }

    new Plugin_Update_Notifications();