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Source View: media_upload_{$type}

To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).

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
47      if ( isset($_GET['tab']) )
48           $tab = strval($_GET['tab']);
49      else
50           $tab = apply_filters('media_upload_default_tab', 'type');
51
52      $body_id = 'media-upload';
53
54      // let the action code decide how to handle the request
55      if ( $tab == 'type' || $tab == 'type_url' || ! array_key_exists( $tab , media_upload_tabs() ) )
56           do_action("media_upload_$type");
57      else
58           do_action("media_upload_$tab");
59