Online PHP editor | rfc for 6iCiU

@ 2015-10-13T14:29:00Z

<?php

class CachingProxy
{
    private $cache = null;
    private $instance = null;

    public function __construct(Memcache $cache, $instance)
    {
        $this->cache    = $cache;
        $this->instance = $instance;
    }

    public function __call($method, $arguments)
    {
        if (substr($method, 0, 3) !== 'get') {
            $result = call_user_func_array($method, $arguments);
        } else {
            $uniqueId = $method . serialize($arguments);
            $result = $this->cache->get($uniqueId);
            if ($result === false) {
                $result = call_user_func_array($method, $arguments);
                $this->cache->set($uniqueId, $result);
            }
        }

        return $result;
    }
}


class ImportantService {
    public function getInformation($uniqueIdentifier)
    {
        echo 'banana';
    }
}

$cachedService = new CachingProxy(new Memcache(), new ImportantService());

$result = $cachedService->getInformation(1234); // First call goes to a data source
$more   = $cachedService->getInformation(1234); // From cache now

Output for git.master, git.master_jit, rfc.property-hooks: Fatal error: Uncaught Error: Class "Memcache" not found in /in/6iCiU:39 Stack trace: #0 {main} thrown in /in/6iCiU on line 39
Process exited with code 255.

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2020-03-21 RFC: Is_Literal - declined
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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2016-08-14 Arrow functions - withdrawn
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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
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