Fix Cloudflare Purge plugin to allow Multisite WordPress MU Domain Mapping support

cloudflare_cachepurge.php

/*
  Save Post Hook
*/

function ccpurge_purge_after_save_post_hook( $post_id ){
  // possible options...
  // add_action('pending_to_publish', 'ccpurge_purge');
  // add_action('draft_to_publish', 'ccpurge_purge');
  // add_action('new_to_publish', 'ccpurge_purge');

  global $hook_running;

  remove_action('publish_post', 'ccpurge_purge_after_save_post_hook');

  if($hook_running)
    return;

  $hook_running = true;

  if( defined('DOING_SAVE') && DOING_SAVE || !$post_id )
    return;

  if ( !in_array(get_post_type( $post_id ), array('post', 'page', 'partners')) ) //|| wp_is_post_revision( $post_id ) )
    return;

  $ccpurge = new CCPURGE_API;
  if( $ccpurge->ccpurge_options['auto_purge'] ){
      $permalink = get_permalink( $post_id );
      
      // Support for Multisite domain mapping - Start - 1 of 2 changes - Ed Cooper
      if( is_multisite() ) :
        if( function_exists('domain_mapping_post_content') ) :
          global $wpdb;
          $orig_url = str_replace( "https", "http", get_original_url( 'siteurl' ) );
          $url = str_replace( "https", "http", domain_mapping_siteurl( 'NA' ) );
          if ( $url == 'NA' )
            return $permalink;
          $permalink = str_replace( $orig_url, $url, $permalink );
        endif;
      endif;
      // Support for Multisite domain mapping - End - 1 of 2 changes - Ed Cooper

      $ccpurge->ccpurge_suppress_debug = true;
      $ccpurge->purge_url_after_post_save( $permalink );
      if( in_array(get_post_type( $post_id ), array('post')) ){
      
        // Support for Multisite domain mapping - Start - 2 of 2 changes - Ed Cooper
        $siteurl = site_url();
        if( is_multisite() ) :
          if( function_exists('domain_mapping_siteurl') ) :
            $siteurl = domain_mapping_siteurl( get_current_blog_id() );
          endif;
        endif;
        $ccpurge->purge_url_after_post_save( $siteurl );
        // Support for Multisite domain mapping - End - 2 of 2 changes- Ed Cooper
        
      }
  }
  add_action('publish_post', 'ccpurge_purge_after_save_post_hook');
}
add_action('publish_post', 'ccpurge_purge_after_save_post_hook');