patch Events Manager Wordpress plugin to allow [gallery] shortcode overrides

2018.06.05 - events-manager-patch.diff

From 5ad8723a1b7acb8b04bbe38824f00b930b703293 Mon Sep 17 00:00:00 2001
From: Bram Esposito <[email protected]>
Date: Tue, 5 Jun 2018 14:22:00 +0200
Subject: [PATCH] patch events manager wrt gallery issues

---
 wp-content/plugins/events-manager/classes/em-event.php | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/wp-content/plugins/events-manager/classes/em-event.php b/wp-content/plugins/events-manager/classes/em-event.php
index c91b1a06..32cd6ef4 100644
--- a/wp-content/plugins/events-manager/classes/em-event.php
+++ b/wp-content/plugins/events-manager/classes/em-event.php
@@ -3104,6 +3104,8 @@ if ( is_object($GLOBALS['wp_embed']) ){
  */
 function em_event_gallery_override( $attr = array() ){
 	global $post;
+
+	global $old_gallery;
 	if( $post->post_type == EM_POST_TYPE_EVENT && empty($attr['id']) && empty($attr['ids']) ){
 		//no id specified, so check if it's recurring and override id with recurrence template post id
 		$EM_Event = em_get_event($post->ID, 'post_id');
@@ -3111,9 +3113,17 @@ function em_event_gallery_override( $attr = array() ){
 			$attr['id'] = $EM_Event->get_event_recurrence()->post_id;
 		}
 	}
-	return gallery_shortcode($attr);
+	if ($old_gallery != "") {
+		return call_user_func($old_gallery, $attr);
+	} else {
+		return gallery_shortcode($attr);
+	}
 }
 function em_event_gallery_override_init(){
+	global $shortcode_tags;
+	global $old_gallery;
+
+	$old_gallery = $shortcode_tags['gallery'];
 	remove_shortcode('gallery');
 	add_shortcode('gallery', 'em_event_gallery_override');
 }
-- 
2.16.3