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@ 2013-06-04T14:32:25Z

<?php

interface ConfiguratorDelegate {
    public function didSelectOption($option);
}


class ViewController implements ConfiguratorDelegate {

    public function didSelectOption($option) {
        echo "Selected option";
    }

    public function __construct() {
        $configurator = new Configurator();
        $configurator->delegate = $this;

        // This is not how it works, this just shows the chain
        $configurator->delegate->optionSelected('derp');
    }
}

class Configurator {
    public $delegate; // This would be defined as an object that always implements ConfiguratorDelegate

    private function optionSelected($option) {
        if ($delegate) {
            $delegate->didSelectOption($option);
        }
    }
}


$myVC = new ViewController();

Output for git.master, git.master_jit, rfc.property-hooks: Fatal error: Uncaught Error: Call to undefined method ViewController::optionSelected() in /in/Rf9TK:19 Stack trace: #0 /in/Rf9TK(34): ViewController->__construct() #1 {main} thrown in /in/Rf9TK on line 19
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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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