PhutilAPCKeyValueCache.php
3ff84448a916production

PhutilAPCKeyValueCache.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.
			*/
			final class PhutilAPCKeyValueCache 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) {
			$results = array();
			$fetched = false;
			foreach ($keys as $key) {
			$result = apc_fetch($key, $fetched);
			if ($fetched) {
			$results[$key] = $result;
			}
			}
			return $results;
			}

			public function setKeys(array $keys, $ttl = null) {
			// NOTE: Although modern APC supports passing an array to `apc_store()`,
			// it is not supported by older version of APC or by HPHP.

			foreach ($keys as $key => $value) {
			apc_store($key, $value, $ttl);
			}

			return $this;
			}

			public function deleteKeys(array $keys) {
			foreach ($keys as $key) {
			apc_delete($key);
			}

			return $this;
			}

			public function destroyCache() {
			apc_clear_cache('user');

			return $this;
			}

			}