3v4l.org

run code in 300+ PHP versions simultaneously

@ 2018-04-10T15:52:07Z

<?php

class Client
{
    public function getUser(string $userId)
    {
        return [
            'id' => 5,  
        ];
    }
}

class Cache
{
    public function set()
    {
        var_dump('Called set');
    }
    
    public function get()
    {
        return null;
    }
}

class CachedClient
{
    private $callee;
    
    private $cache;
    
    public function __construct($callee, $cache)
    {
        $this->callee = $callee;
        $this->cache = $cache;
    }
    
    public function __call(string $method, array $attributes)
    {
        $key = sprintf($method . '::' . implode(':', $attributes));
        
        $result = $this->cache->get($key);
        
        if (!is_null($result)) {
            return $result;
        }
        
        $result = call_user_func_array([$this->client, $method], $attributes);

        $this->cache->set($key, $result);

        return $result;
    }
}

$client = new Client();
$cache = new Cache();
$cachedClient = new CachedClient($client, $cache);

var_dump($cachedClient->getUser(5));

Output for git.master, git.master_jit, rfc.property-hooks: Warning: Undefined property: CachedClient::$client in /in/SQfl8 on line 48 Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, first array member is not a valid class name or object in /in/SQfl8:48 Stack trace: #0 /in/SQfl8(60): CachedClient->__call('getUser', Array) #1 {main} thrown in /in/SQfl8 on line 48
Process exited with code 255.

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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

preferences:dark modelive preview

57.79 ms | 401 KiB | 8 Q