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Widgets: Allow `WP_Widget` subclass instances (objects) to be registered/unregistered in addition to `WP_Widget` subclass names (strings). 

Allows widgets to be registered which rely on dependency injection. Also will allow for new widget types to be created dynamically (e.g. a Recent Posts widget for each registered post type).

See #35990.
Props mdwheele, PeterRKnight, westonruter.
Fixes #28216.

Built from https://develop.svn.wordpress.org/trunk@37329


git-svn-id: http://core.svn.wordpress.org/trunk@37295 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Weston Ruter 2016-04-29 18:49:26 +00:00
parent fb82d557cd
commit 96104fdd30
2 changed files with 17 additions and 7 deletions
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22
wp-includes/class-wp-widget-factory.php
View File

@ -49,24 +49,34 @@ class WP_Widget_Factory {
* Registers a widget subclass. * Registers a widget subclass.
* *
* @since 2.8.0 * @since 2.8.0
* @since 4.6.0 The `$widget` param can also be an instance object of `WP_Widget` instead of just a `WP_Widget` subclass name.
* @access public * @access public
* *
* @param string $widget_class The name of a WP_Widget subclass. * @param string|WP_Widget $widget Either the name of a `WP_Widget` subclass or an instance of a `WP_Widget` subclass.
*/ */
public function register( $widget_class ) { public function register( $widget ) {
$this->widgets[$widget_class] = new $widget_class(); if ( $widget instanceof WP_Widget ) {
$this->widgets[ spl_object_hash( $widget ) ] = $widget;
} else {
$this->widgets[ $widget ] = new $widget();
}
} }
/** /**
* Un-registers a widget subclass. * Un-registers a widget subclass.
* *
* @since 2.8.0 * @since 2.8.0
* @since 4.6.0 The `$widget` param can also be an instance object of `WP_Widget` instead of just a `WP_Widget` subclass name.
* @access public * @access public
* *
* @param string $widget_class The name of a WP_Widget subclass. * @param string|WP_Widget $widget Either the name of a `WP_Widget` subclass or an instance of a `WP_Widget` subclass.
*/ */
public function unregister( $widget_class ) { public function unregister( $widget ) {
unset( $this->widgets[ $widget_class ] ); if ( $widget instanceof WP_Widget ) {
unset( $this->widgets[ spl_object_hash( $widget ) ] );
} else {
unset( $this->widgets[ $widget ] );
}
} }
/** /**

2
wp-includes/version.php
View File

@ -4,7 +4,7 @@
* *
* @global string $wp_version * @global string $wp_version
*/ */
$wp_version = '4.6-alpha-37328'; $wp_version = '4.6-alpha-37329';
/** /**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema. * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.