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<?php
class Database {
private $db;
public $error;
public function __construct($connect = false, $db = false){
$this->db = new Redis();
if ( ! $connect || ! $db )
return;
$this->connect($connect, $db);
}
public function connect($connect, $db){
try {
$this->db->connect($connect);
} catch (Exception $e){
$this->error = $e;
return false;
}
try {
$this->db->select($db);
} catch (Exception $e){
$this->error = $e;
return false;
}
try {
$this->db->ping();
} catch (Exception $e){
$this->error = $e;
return false;
}
return true;
}
public function expire($key, $ttl){
try {
$this->db->setTimeout($key, $ttl);
} catch (Exception $e){
$this->error = $e;
return false;
}
}
public function set($key, $value, $ttl = null){
if ( is_null($ttl) )
return $this->db->set($key, $value);
else
return $this->db->set($key, $value, (int)$ttl);
}
public function get($key){
return $this->db->get($key);
}
public function exists($key){
return $this->db->exists($key);
}
public function __destruct(){
try {
$this->db->close();
} catch (Exception $e){
return false;
}
}
}
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