Source View: submitpage_box

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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
568      /**
569       * Fires before meta boxes with 'side' context are output for the 'page' post type.
570       *
571       * The submitpage box is a meta box with 'side' context, so this hook fires just before it is output.
572       *
573       * @since 2.5.0
574       *
575       * @param WP_Post $post Post object.
576       */
577      do_action( 'submitpage_box', $post );
578 }
579 else {
580      /**
581       * Fires before meta boxes with 'side' context are output for all post types other than 'page'.
582       *
583       * The submitpost box is a meta box with 'side' context, so this hook fires just before it is output.
584       *
585       * @since 2.5.0
586       *