@ 2015-10-13T14:26:20Z <?php
class Memcache {
private $data = [];
public function set($key, $value) {
$this->data[$key] = $value;
}
public function get($key) {
return isset($this->data[$key]) ? $this->data[$key] : false;
}
}
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
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Output for 5.4.0 - 5.4.45 , 5.5.0 - 5.5.38 , 5.6.0 - 5.6.38 , 7.0.0 - 7.0.33 , 7.1.0 - 7.1.25 , 7.2.0 - 7.2.33 , 7.3.0 - 7.3.33 , 7.4.0 - 7.4.33 , 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 string(14) "getInformation"
array(1) {
[0]=>
int(123)
}
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
string(14) "getInformation"
array(1) {
[0]=>
int(123)
}
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235.68 ms | 402 KiB | 339 Q