envira-cdn-fix.php

<?php
/**
 * Plugin Name: Envira CDN Fix
 * Plugin URI: https://logoscreative.com
 * Description: Support images on a CDN with Envira
 * Version: 1.0
 * Author: Logos Creative
 * Author URI: https://logoscreative.com
 */

add_filter('envira_gallery_output', 'evermore_filter_envira_content', 10, 2);
add_filter('envira_gallery_link_href', 'evermore_filter_envira_link_href', 10, 5);
add_filter('envira_gallery_pre_data', 'evermore_envira_cdn_compat', 10, 2);

function evermore_filter_envira_content($gallery, $data)
{
    
    if (isset($_GET['cliffdebug']) && $_GET['cliffdebug'] === 'sure') {
        //var_dump($gallery);
        //var_dump($data);
    }
    
    return apply_filters('as3cf_filter_post_local_to_s3', $gallery);
    
}

function evermore_filter_envira_link_href($id, $item, $data, $i, $mobile)
{
    
    if (isset($_GET['cliffdebug']) && $_GET['cliffdebug'] === 'sure') {
        var_dump($item);
        var_dump($data);
    }
    
    //return apply_filters( 'as3cf_filter_post_local_to_s3', $gallery );
    
}

function evermore_envira_cdn_compat($data, $gallery_id)
{
    
    $images = $data['gallery'];
    
    foreach ($images as $attachment_id => $image) {
        
        if ($image['src']) {
            
            $data['gallery'][$attachment_id]['src'] = apply_filters('as3cf_filter_post_local_to_s3', $image['src']);
            
        }
        
        if ($image['thumb']) {
            
            $data['gallery'][$attachment_id]['thumb'] = apply_filters('as3cf_filter_post_local_to_s3', $image['thumb']);
            
        } else {
            
            $data['gallery'][$attachment_id]['thumb'] = apply_filters('as3cf_filter_post_local_to_s3', wp_get_attachment_thumb_url($attachment_id));
            
        }
        
    }
    
    if (isset($_GET['cliffdebug']) && $_GET['cliffdebug'] === 'sure') {
        
        var_dump($data);
        
    }
    
    return $data;
    
}