Online PHP editor | refs for uPrIn

<?php class WP_Widget { public function __construct( $id_base, $name, $widget_options = array(), $control_options = array() ) {} } class WP_Widget_Text extends WP_Widget { public function __construct() { $widget_ops = array( 'classname' => 'widget_text', 'description' => 'Arbitrary text.', 'customize_selective_refresh' => true, 'show_instance_in_rest' => true, ); $control_ops = array( 'width' => 400, 'height' => 350, ); parent::__construct( 'text', 'Text', $widget_ops, $control_ops ); } } class Text_Widget extends WP_Widget { // Notice it does not have a constructor, which is doing it wrong. } class WP_Widget_Factory { public $widgets = array(); public function register( $widget ) { if ( $widget instanceof WP_Widget ) { $this->widgets[ spl_object_hash( $widget ) ] = $widget; } else { $this->widgets[ $widget ] = new $widget(); } } } $factory = new WP_Widget_Factory(); $factory->register( 'Text_Widget' );