help me in random codes

[Lue_chin]

hello friends please help me i wish you help me i want to create a random code for ex: my code is 23453 and after refresh its gone change to another 23456 and then 23546 then 23654 so i want last three digit changing randomly after refresh so please give me a ph code fo this

[arnage]

If i understand correctly its something like this?

$num = '23'.substr(uniqid(rand(), true), 0, 3); 

[Lue_chin]

thanks arange

[arnage]

You are welcome.