Cloudflare cache purge WP

cf-purge-wp.php

<?php
/**
 * Plugin Name: Cloudflare Cache Purge Extended
 * Description: Purges Cloudflare cache for the front page, specific post, wp-json routes, and general posts endpoint when a post is published, updated, scheduled, or trashed.
 * Version: 1.1
 * Author: Raymon Mens
 */

// Cloudflare settings
$cloudflare_zone_id = 'YOUR_ZONE_ID';
$cloudflare_api_token = 'YOUR_API_TOKEN';
$cloudflare_purge_debug = 0; // Set to 1 to enable debugging

function purge_cloudflare_cache($post_id, $post = null) {
    global $cloudflare_zone_id, $cloudflare_api_token, $cloudflare_purge_debug;

    if (wp_is_post_autosave($post_id) || wp_is_post_revision($post_id)) {
        return;
    }

    $home_url = home_url('/');
    $post_url = get_permalink($post_id);
    $json_url = home_url("/wp-json/wp/v2/posts/{$post_id}");
    $json_all_posts_url = home_url("/wp-json/wp/v2/posts");

    $url = 'https://api.cloudflare.com/client/v4/zones/' . $cloudflare_zone_id . '/purge_cache';
    $data = [
        'files' => [$home_url, $post_url, $json_url, $json_all_posts_url]
    ];
    $headers = [
        'Authorization' => 'Bearer ' . $cloudflare_api_token,
        'Content-Type'  => 'application/json'
    ];

    $response = wp_remote_post($url, [
        'headers'     => $headers,
        'body'        => json_encode($data),
        'method'      => 'POST',
        'data_format' => 'body'
    ]);

    // Response handling
    if (is_wp_error($response)) {
        if ($cloudflare_purge_debug) {
            error_log('Error purging Cloudflare cache: ' . $response->get_error_message());
        }
        return;
    }

    $response_code = wp_remote_retrieve_response_code($response);
    $response_body = wp_remote_retrieve_body($response);
    $response_data = json_decode($response_body, true);

    if ($response_code == 200) {
        if ($cloudflare_purge_debug) {
            error_log('Cloudflare cache purged successfully: ' . print_r($response_data, true));
        }
    } else {
        if ($cloudflare_purge_debug) {
            error_log('Cloudflare API returned an error: ' . print_r($response_data, true));
        }
    }
}

// Hook into actions for publishing, updating, scheduling, and trashing posts
add_action('publish_post', 'purge_cloudflare_cache', 10, 2);
add_action('post_updated', 'purge_cloudflare_cache', 10, 2);
add_action('publish_future_post', 'purge_cloudflare_cache', 10, 1);
add_action('trashed_post', 'purge_cloudflare_cache', 10, 2);
?>