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run code in 200+ php & hhvm versions
Bugs & Features
<?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, $arguments) { var_dump($method, $arguments); die; if (substr($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) { $result = $this->cache->get($uniqueIdentifier); if ($result === false) { $result = $this->dataSource->getOne($uniqueIdentifier); $this->cache->set($uniqueIdentifier, $result); } return $result; } } $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
based on FFsBp
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Class 'Memcache' not found in /in/T0etc:46 Stack trace: #0 {main} thrown in /in/T0etc on line 46
Process exited with code 255.
Output for 5.3.18 - 5.6.28
Fatal error: Class 'Memcache' not found in /in/T0etc on line 46
Process exited with code 255.