/**
* Performs lazy connection, only connecting to the DB when a query is actually performed
* Also ensures that only 1 connection can be active, by returning the existing PDO object if one exists
* @return <type>
*/
public function lazyConnect()
{
if (!self::$_dbh instanceof \PDO) {
try {
self::$_dbh = new \PDO($this->_dsn, $this->_dbinfo['username'], $this->_dbinfo['password']);
self::$_dbh->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION);
} catch (\PDOException $e) {
die('Could not connect to database');
}
}
return self::$_dbh;
}
