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@ 2023-08-07T19:53:57Z

<?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' );

Output for git.master_jit, git.master, rfc.property-hooks: Fatal error: Uncaught ArgumentCountError: Too few arguments to function WP_Widget::__construct(), 0 passed in /in/uPrIn on line 34 and at least 2 expected in /in/uPrIn:4 Stack trace: #0 /in/uPrIn(34): WP_Widget->__construct() #1 /in/uPrIn(40): WP_Widget_Factory->register('Text_Widget') #2 {main} thrown in /in/uPrIn on line 4
Process exited with code 255.

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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