Wordpress - Send post data to 3rd party service via curl

post-to-curl.php

<?php
    /**
     * @package Post-to-Curl
     * @version 1.0
     */
    /*
    Plugin Name: Post-to-Curl
    Plugin URI: http://www.simonfacciol.info
    Description: Send post data / status to 3rd party service via curl
    Author: Simon Facciol
    Version: 1.0
    Author URI: http://www.simonfacciol.info
    */

    function post_published_notification(
        $post_id,
        $post_data
    ) {

        /*Check if post status changed to publish. 
        *
        * This avoids multiple firing of the publish event
        */
        if (($_POST['post_status'] == 'publish') && ($_POST['original_post_status'] != 'publish')) {
            //Check if it's a post revision to prevent unnecessary firing
            if (!wp_is_post_revision($post_id)) {
                //$post_language_information = wpml_get_language_information($post_id); //Enable if WPML plugin is installed to get post language information
                $author_name = get_the_author_meta('display_name', 6); //Get the display name of the author. Can be modified to get other author details

                $post_categories = wp_get_post_categories($post_id); //Get the post categories as an array
                $cats = array();

                //Looping through all post categories to get name and slug only. Can be changed to get more category information
                foreach ($post_categories as $c) {
                    $cat = get_category($c);
                    $cats[] = array('name' => $cat->name, 'slug' => $cat->slug);
                }

                $post_tags = wp_get_post_tags($post_id); //Get the post tags as an array
                $tags = array();

                //Looping through all post tags to get tag name and slug only. Can be changed to get more information
                foreach ($post_tags as $t) {
                    $tags[] = array('name' => $t->name, 'slug' => $t->slug);
                }

                /*Get Yoast Meta information. Needs Yoast SEO wordpress plugin.
                *$meta = [];
                *$meta['keywords'] = get_post_meta($post_id, '_yoast_wpseo_focuskw', 1);
                *$meta['title'] = get_post_meta($post_id, '_yoast_wpseo_title', 1);
                *$meta['description'] = get_post_meta($post_id, '_yoast_wpseo_metadesc', 1); 
                */

                $body = array(
                    'action'        => 'published',
                    'post_id'       => $post_id,
                    'post'          => $post_data,
                    //'post_language' => $post_language_information,
                    'post_author'   => $author_name,
                    'post_category' => $cats,
                    'post_tags'     => $tags,
                    //'post_meta' => $meta
                );

                $result = curl_my_post($body);
            }
        }
    }

    add_action('publish_post', 'post_published_notification', 10, 2);

    function post_updated_notification(
        $post_id,
        $post_after,
        $post_before
    ) {
        //$post_language_information = wpml_get_language_information($post_id); //Enable if WPML plugin is installed to get post language information
        $author_name = get_the_author_meta('display_name', 6); //Get the display name of the author. Can be modified to get other author details

        $post_categories = wp_get_post_categories($post_id); //Get the post categories as an array
        $cats = array();

        //Looping through all post categories to get name and slug only. Can be changed to get more category information
        foreach ($post_categories as $c) {
            $cat = get_category($c);
            $cats[] = array('name' => $cat->name, 'slug' => $cat->slug);
        }

        $post_tags = wp_get_post_tags($post_id); //Get the post tags as an array
        $tags = array();

        //Looping through all post tags to get tag name and slug only. Can be changed to get more information
        foreach ($post_tags as $t) {
            $tags[] = array('name' => $t->name, 'slug' => $t->slug);
        }

        /*Get Yoast Meta information. Needs Yoast SEO wordpress plugin.
        *$meta = [];
        *$meta['keywords'] = get_post_meta($post_id, '_yoast_wpseo_focuskw', 1);
        *$meta['title'] = get_post_meta($post_id, '_yoast_wpseo_title', 1);
        *$meta['description'] = get_post_meta($post_id, '_yoast_wpseo_metadesc', 1);
        */

        $body = array(
            'action'        => 'updated',
            'post_id'       => $post_id,
            'post'          => $post_after,
            //'post_language' => $post_language_information,
            'post_author'   => $author_name,
            'post_category' => $cats,
            'post_tags'     => $tags,
            //'post_meta' => $meta
        );

        $result = curl_my_post($body);
    }

    add_action('post_updated', 'post_updated_notification', 10, 3);

    function trash_post_notification($post_id)
    {
        if (!did_action('trash_post')) {
            $body = array(
                'action' => 'delete',
                'id'     => $post_id
            );
            $result = curl_my_post($body);
        }
    }

    add_action('trash_post', 'trash_post_notification', 10, 1);

    function untrash_post_notification($post_id)
    {
        if (!did_action('untrash_post')) {
            $body = array(
                'action' => 'restore',
                'id'     => $post_id
            );
            $result = curl_my_post($body);
        }
    }

    add_action('untrash_post', 'untrash_post_notification', 10, 1);

    function curl_my_post($body)
    {
        $url = 'URL_TO_POST_TO';
        //$url = 'http://requestb.in'; //Replace with valid requestbin URL for testing

        $result = '';

        try {
            $ch = curl_init($url);
            curl_setopt($ch, CURLOPT_URL, $url);
            curl_setopt($ch, CURLOPT_POST, 1);
            curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($body));
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
            $result = curl_exec($ch);
        } catch (Exception $e) {
            error_log($e->getMessage());
        }

        return $result;
    }

?>