Parse Error on PHP i.e. T_STRING on my php 5.6 server

Question

I got the Parse error when i try to run following PHP code. I got the error is i.e.

Parse error: syntax error, unexpected 'laptop' (T_STRING) in /home/u111963560/public_html/JSON2/DbOperation.php on line 23

<?php

class DbOperation
{
private $con;

function __construct()
{
    require_once 'DbConnect.php';
    $db =new DbConnect();
    $this->con = $db->connect();
}


public function getLaptops(){

    if($statement=$con->prepare(“SELECT * FROM laptop LIMIT 1”)){


        // Execute
        $statement-> execute();

        // Close statement
        $statement-> close();
}

// Close entire connection
$conn-> close();
    }

}