WordPress Netlify build hook plugin

netlify-build-hook.php

<?php
/**
 * Plugin Name: Netlify build hook
 * Plugin URI: https://dimitr.im
 * Description: Call webhook when WordPress post is published
 * Version: 1.0
 * Author: g00glen00b
 * Author URI: https://dimitr.im
 */  
add_action('publish_future_post', 'nb_webhook_future_post', 10);
add_action('publish_post', 'nb_webhook_post', 10, 2);
add_action('publish_page', 'nb_webhook_post', 10, 2);
add_action('post_updated', 'nb_webhook_update', 10, 3);

function nb_webhook_future_post( $post_id ) {
  nb_webhook_post($post_id, get_post($post_id));
}

function nb_webhook_update($post_id, $post_after, $post_before) {
  nb_webhook_post($post_id, $post_after);
}

function nb_webhook_post($post_id, $post) {
  if ($post->post_status === 'publish') {
    $url = curl_init('https://api.netlify.com/build_hooks/{my-build-hook}'); // TODO: Change this URL!!
    curl_setopt($url, CURLOPT_CUSTOMREQUEST, 'POST');
    curl_setopt($url, CURLOPT_RETURNTRANSFER, true);
    curl_exec($url);
  }
}


?>