Ticket #24378: 24378.patch

wp-admin/includes/class-wp-posts-list-table.php

@@ -551 +551 @@
                                 if ( $format = get_post_format( $post->ID ) ) {
                                         $label = get_post_format_string( $format );
 
-                                        echo '<a href="' . esc_url( add_query_arg( array( 'post_format' => $format, 'post_type' => $post->post_type ), 'edit.php' ) ) . '" class="post-state-format format-' . $format . '" title="' . $label . '">' . $label . ":</a> ";
+                                        echo apply_filters( 'post_format_icon', '<a href="' . esc_url( add_query_arg( array( 'post_format' => $format, 'post_type' => $post->post_type ), 'edit.php' ) ) . '" class="post-state-format format-' . $format . '" title="' . $label . '">' . $label . ':</a> ', $format, $post, $label );
                                 }
 
                                 if ( $can_edit_post && $post->post_status != 'trash' ) {