Online PHP editor | rfc for HCcHQ

@ 2020-05-09T22:04:35Z

<?php

namespace Yiisoft\EventDispatcher\Provider;

abstract class AbstractProviderConfigurator
{
    protected function attach(callable $listener, string $eventClassName = ''): void
    {
        throw new \RuntimeException("Method 'attach' does not exist.");
    }
}

class Provider extends AbstractProviderConfigurator 
{
    private $providers = [];
    
    protected function attach(callable $listener, string $eventClassName = ''): void
    {
        $this->providers[$eventClassName] = $listener;
    }
    
    public function getProviders(): array
    {
        return $this->providers;
    }
}

class MyProvider extends Provider
{
    public function attach(callable $listener, string $eventClassName = ''): void
    {
        parent::attach($listener, $eventClassName);
    }
}


$provider = new MyProvider();

$provider->attach(function () {
    return true;
}, 'MyEvent');

var_dump($provider->getProviders());

Output for git.master, git.master_jit, rfc.property-hooks: array(1) { ["MyEvent"]=> object(Closure)#2 (0) { } }

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2022-12-01 RFC: Property hooks - included in PHP 8.4
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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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