Online PHP editor | output for SFek6

@ 2015-10-13T14:28:45Z

<?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(123); // First call goes to a data source
$more   = $cachedService->getInformation(123); // From cache now

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: Fatal error: Uncaught Error: Class "Memcache" not found in /in/SFek6:39 Stack trace: #0 {main} thrown in /in/SFek6 on line 39
Process exited with code 255.
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught Error: Class "Memcache" not found in /in/SFek6:39 Stack trace: #0 {main} thrown in /in/SFek6 on line 39
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33: Fatal error: Uncaught Error: Class 'Memcache' not found in /in/SFek6:39 Stack trace: #0 {main} thrown in /in/SFek6 on line 39
Process exited with code 255.
Output for 5.4.8 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28: Fatal error: Class 'Memcache' not found in /in/SFek6 on line 39
Process exited with code 255.

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