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[nycphp-talk] generate random unique 8-digit number

chad qian nynj.tech at hotmail.com
Mon Mar 9 21:56:43 EDT 2009


Hi,
I need to generate random 8-digit numbers continuously.And no duplication among all those numbers.In other word,every single 8-digit number must be unique.How to do php programming?

 

Thanks a lots!

 

chad

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