Source View: screen_settings

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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
902           switch ( $this->id ) {
903                case 'widgets':
904                     $this->_screen_settings = '<p><a id="access-on" href="widgets.php?widgets-access=on">' . __('Enable accessibility mode') . '</a><a id="access-off" href="widgets.php?widgets-access=off">' . __('Disable accessibility mode') . "</a></p>\n";
905                     break;
906                default:
907                     $this->_screen_settings = '';
908                     break;
909           }
910
911           $this->_screen_settings = apply_filters( 'screen_settings', $this->_screen_settings, $this );
912
913           if ( $this->_screen_settings || $this->_options )
914                $show_screen = true;
915
916           $this->_show_screen_options = apply_filters( 'screen_options_show_screen', $show_screen, $this );
917           return $this->_show_screen_options;
918      }
919
920      /**