- Rebases master

2016-06-17 15:00:46 -04:00
parent 999a0b3ede
commit c83ab0886f
5 changed files with 144 additions and 94 deletions
--- a/lib/Newsletter/Renderer/PostProcess/OpenTracking.php
+++ b/lib/Newsletter/Renderer/PostProcess/OpenTracking.php
@ -4,6 +4,8 @@ namespace MailPoet\Newsletter\Renderer\PostProcess;
 use MailPoet\Newsletter\Links\Links;

 class OpenTracking {
+  const OPEN_TRACKING_FILTER_NAME = 'mailpoet_rendering_post_process';
+
  static function process($template) {
    $DOM = new \pQuery();
    $DOM = $DOM->parseStr($template);
@ -18,6 +20,9 @@ class OpenTracking {
  }

  static function addTrackingImage() {
+    if(array_key_exists(self::OPEN_TRACKING_FILTER_NAME, $GLOBALS['wp_filter'])) {
+      return;
+    };
    add_filter('mailpoet_rendering_post_process', function ($template) {
      return OpenTracking::process($template);
    });