How to generate 5 digit alphanumeric unique ID using codeigniter?

Question

I have a project in which I need to generate a unique 5 digit alphanumeric ID for the user. How can I achieve this using codeigniter!?

thanks

Answer 1

There is a function for that in string helper called random_string.

$this->load->helper('string');
echo random_string('alnum',5);

Details