[wp-trac] [WordPress Trac] #28216: Allow to register pre-instantiated widgets

[WordPress Trac]

#28216: Allow to register pre-instantiated widgets
-------------------------------+-----------------------------
 Reporter:  Denis-de-Bernardy  |      Owner:
     Type:  defect (bug)       |     Status:  new
 Priority:  normal             |  Milestone:  Awaiting Review
Component:  Widgets            |    Version:  3.9.1
 Severity:  normal             |   Keywords:
  Focuses:                     |
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 As things stand, the current API doesn't allow to instantiate a widget
 that relies on dependency injection because `register_widget()` and
 `WP_Widget_Factory#register()` expect a class name as a parameter.

 It would be convenient if the factory would conditionally instantiate the
 widget classes instead:

 {{{
         function register($widget_class) {
                 $this->widgets[$widget_class] = is_object($widget_class) ?
 $widget_class : new $widget_class();
         }
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/28216>
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