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Source View: manage_{$post_type}_posts_columns

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Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

  • Action hooks look like this: do_action( "hook_name" )
  • Filter hooks look like this: apply_filters( "hook_name", "what_to_filter" ).

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
283           if ( post_type_supports( $post_type, 'comments' ) && !in_array( $post_status, array( 'pending', 'draft', 'future' ) ) )
284                $posts_columns['comments'] = '<span class="vers"><img alt="' . esc_attr__( 'Comments' ) . '" src="' . esc_url( admin_url( 'images/comment-grey-bubble.png' ) ) . '" /></span>';
285
286           $posts_columns['date'] = __( 'Date' );
287
288           if ( 'page' == $post_type )
289                $posts_columns = apply_filters( 'manage_pages_columns', $posts_columns );
290           else
291                $posts_columns = apply_filters( 'manage_posts_columns', $posts_columns, $post_type );
292           $posts_columns = apply_filters( "manage_{$post_type}_posts_columns", $posts_columns );
293
294           return $posts_columns;
295      }
296
297      function get_sortable_columns() {
298           return array(
299                'title'    => 'title',
300                'author'   => 'author',
301                'parent'   => 'parent',