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<?php
/*
* Mysql database class - only one connection alowed
*/
class Database {
private $_connection;
private static $_instance; //The single instance
private $_host = "HOSTt";
private $_username = "USERNAME";
private $_password = "PASSWORd";
private $_database = "DATABASE";
/*
Get an instance of the Database
@return Instance
*/
public static function getInstance() {
if(!self::$_instance) { // If no instance then make one
self::$_instance = new self();
}
return self::$_instance;
}
// Constructor
private function __construct() {
$this->_connection = new mysqli($this->_host, $this->_username,
$this->_password, $this->_database);
// Error handling
if(mysqli_connect_error()) {
trigger_error("Failed to conencto to MySQL: " . mysql_connect_error(),
E_USER_ERROR);
}
}
// Magic method clone is empty to prevent duplication of connection
private function __clone() { }
// Get mysqli connection
public function getConnection() {
return $this->_connection;
}
}
?>
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