Function only working sometimes
function add_log($username, $action) {
    $l_con = new con();
    $log_action = $l_con->connect();

    // IP to put in database
    $ip_orig = $this->getIP();
    $newa_ip = ip2long($ip_orig);

    $prepara = $log_action->query("INSERT INTO log VALUES ('$username',
        '$action', '$newa_ip', CURDATE(), NOW())");
}

INSERT INTO table (COLUMN1, COLUMN2, COLUMNN) VALUES ('a', 'b', 'n...');

INSERT INTO log VALUES ('$username', '$action', INET_ATON('$new_ip'), CURDATE(), NOW())