/**
* Returns the time to live left for a given key, in seconds. If the key doesn't exist, FALSE is returned.
*
* @param string $key
*
* @return int, the time left to live in seconds.
* @link http://redis.io/commands/ttl
* @example $redis->ttl('key');
*/
public function ttl($key)
{
try {
return $this->client->ttl($key);
} catch (Exception $e) {
return $this->handleException($e, __FUNCTION__, func_get_args());
}
}
/**
* Test getting the ttl for a key
*/
public function testTtl()
{
$this->redis->del('testTtl');
$ttl = $this->redis->ttl('testTtl');
$this->assertInternalType('int', $ttl);
$this->assertLessThan(0, $ttl);
$this->redis->set('testTtl', 'someValue');
$this->assertLessThan(0, $this->redis->ttl('testTtl'));
$this->redis->expire('testTtl', 1);
$this->assertGreaterThan(0, $this->redis->ttl('testTtl'));
}
