Ticket #33495: edit-form-advanced-v2.patch

wp-admin/edit-form-advanced.php

@@ -537 +537 @@
 $shortlink = wp_get_shortlink($post->ID, 'post');
 
 if ( !empty( $shortlink ) && $shortlink !== $permalink && $permalink !== home_url('?page_id=' . $post->ID) )
-    $sample_permalink_html .= '<input id="shortlink" type="hidden" value="' . esc_attr($shortlink) . '" /><a href="#" class="button button-small" onclick="prompt(&#39;URL:&#39;, jQuery(\'#shortlink\').val()); return false;">' . __('Get Shortlink') . '</a>';
+    $sample_permalink_html .= '<input id="shortlink" type="hidden" value="' . esc_attr($shortlink) . '" />';
 
+if ( has_filter( 'pre_get_shortlink' ) || has_filter( 'get_shortlink' ) )
+    $sample_permalink_html .= '<a href="#" class="button button-small" onclick="prompt(&#39;URL:&#39;, jQuery(\'#shortlink\').val()); return false;">' . __('Get Shortlink') . '</a>';
+
 if ( $post_type_object->public && ! ( 'pending' == get_post_status( $post ) && !current_user_can( $post_type_object->cap->publish_posts ) ) ) {
         $has_sample_permalink = $sample_permalink_html && 'auto-draft' != $post->post_status;
 ?>