public function save($keyName = NULL, $content = NULL, $lifetime = NULL, $stopBuffer = true)
{
try {
parent::save($keyName, $content, $lifetime, $stopBuffer);
} catch (\Phalcon\Exception $e) {
}
}
/**
* Checks if cache exists and it hasn't expired
*
* @param string|null $keyName
* @param int|null $lifetime
* @return boolean
* @throws Exception
*/
public function exists($keyName = null, $lifetime = null)
{
/* Type check */
if (is_null($keyName) === true) {
$keyName = $this->_lastKey;
} elseif (is_string($keyName) === true) {
$keyName = $this->_prefix . $keyName;
} else {
throw new Exception('Invalid parameter type.');
}
if (is_null($lifetime) === false && is_int($lifetime) === false) {
throw new Exception('Invalid parameter type.');
}
/* Check for key */
if (isset($keyName) === true) {
if (is_object($this->_memcache) === false) {
$this->_connect();
}
if ($this->_memcache->get($keyName) !== false) {
return true;
}
}
return false;
}
/**
* Stores cached content
*
* @param string $keyName
* @param string $content
* @param int $lifetime
* @param boolean $stopBuffer
*/
public function set($keyName = null, $content = null, $lifetime = null, $stopBuffer = null)
{
if ($this->cache_status) {
$this->cache->save($keyName, $content, $lifetime, $stopBuffer);
}
}
public function output(UnitTester $I)
{
$I->wantTo('Cache output fragments by using Memcache as cache backend');
$time = date('H:i:s');
$cache = new Memcache(new Output(['lifetime' => 2]), ['host' => TEST_MC_HOST, 'port' => TEST_MC_PORT]);
ob_start();
// First time cache
$content = $cache->start('test-output');
$I->assertNull($content);
echo $time;
$cache->save(null, null, null, true);
$obContent = ob_get_contents();
ob_end_clean();
$I->assertEquals($time, $obContent);
$I->seeInMemcached('test-output', $time);
// Expect same cache
$content = $cache->start('test-output');
$I->assertNotNull($content);
$I->assertEquals($time, $obContent);
$I->seeInMemcached('test-output', $time);
sleep(2);
$content = $cache->start('test-output');
$I->assertNull($content);
$I->dontSeeInMemcached('test-output');
$I->clearMemcache();
}
