retlehs · May 25, 2012 02:17 · May 25, 2012
diff --git a/gistfile1.aw b/gistfile1.aw
@@ -0,0 +1,21 @@
+<?php
+  /**
+   * Display a thumbnail from YouTube based off the embed code saved in the
+   * video post format metabox used by the CF Post Formats plugin
+   *
+   * @link https://github.com/crowdfavorite/wp-post-formats
+   * @link http://stackoverflow.com/a/6382259
+   */
+
+  global $post;
+
+  $video_details = get_post_meta($post->ID, '_format_video_embed', true);
+
+  if (preg_match('%(?:youtube(?:-nocookie)?\.com/(?:[^/]+/.+/|(?:v|e(?:mbed)?)/|.*[?&]v=)|youtu\.be/)([^"&?/ ]{11})%i', $video_details, $match)) {
+    $video_id = $match[1];
+  }
+
+  if (isset($video_id)) { ?>
+    <a href="<?php the_permalink(); ?>"><img src="http://img.youtube.com/vi/<?php echo $video_id; ?>/0.jpg"></a>
+  <?php } 
+?>