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PhutilKeyValueCacheAPC.php
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Sun, Feb 23, 11:00

PhutilKeyValueCacheAPC.php
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<?php
/**
* Interface to the APC key-value cache. This is a very high-performance cache
* which is local to the current machine.
*
* @group cache
*/
final class PhutilKeyValueCacheAPC extends PhutilKeyValueCache {
/* -( Key-Value Cache Implementation )------------------------------------- */
public function isAvailable() {
return function_exists('apc_fetch') &&
ini_get('apc.enabled') &&
(ini_get('apc.enable_cli') || php_sapi_name() != 'cli');
}
public function getKeys(array $keys, $ttl = null) {
$call_id = null;
if ($this->getProfiler()) {
$call_id = $this->getProfiler()->beginServiceCall(
array(
'type' => 'kvcache-get',
'name' => 'apc',
'keys' => $keys,
));
}
$results = array();
$fetched = false;
foreach ($keys as $key) {
$result = apc_fetch($key, $fetched);
if ($fetched) {
$results[$key] = $result;
}
}
if ($call_id) {
$this->getProfiler()->endServiceCall(
$call_id,
array(
'hits' => array_keys($results),
));
}
return $results;
}
public function setKeys(array $keys, $ttl = null) {
$call_id = null;
if ($this->getProfiler()) {
$call_id = $this->getProfiler()->beginServiceCall(
array(
'type' => 'kvcache-set',
'name' => 'apc',
'keys' => array_keys($keys),
'ttl' => $ttl,
));
}
if ($ttl === null) {
apc_store($keys);
} else {
apc_store($keys, null, $ttl);
}
if ($call_id) {
$this->getProfiler()->endServiceCall($call_id, array());
}
return $this;
}
public function deleteKeys(array $keys) {
$call_id = null;
if ($this->getProfiler()) {
$call_id = $this->getProfiler()->beginServiceCall(
array(
'type' => 'kvcache-del',
'name' => 'apc',
'keys' => $keys,
));
}
foreach ($keys as $key) {
apc_delete($key);
}
if ($call_id) {
$this->getProfiler()->endServiceCall($call_id, array());
}
return $this;
}
public function destroyCache() {
apc_clear_cache('user');
return $this;
}
}

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