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Old August 17th, 2004, 09:34 AM
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Default Stopping frequent submission

Dear Programmers
I am very new to PHP

I have an registration form. I want to give every user a random and unique registration number . How can I do this.

In submission form I want to stop frequent submission. I mean now if the user submits the form 100 time, it stores hundred time. How I can stop multiple submission from a certain IP for a certain time.

I am using a text file for storing user information and successfully storing and retrieving data

Please help me

Thanking you

Best Regard:
Md. Zakir Hossain (Raju)

www.rajuru.xenexbd.com - my blog with PHP scripts, PHP Book Review and many more
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Old August 20th, 2004, 09:56 AM
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First, I would very highly suggest that you use a database like MySQL for storing things.. its much faster than flat text files, and in the future will make life much easier.

As far as registration numbers, there's a few ways to do it... usually I used an auto_increment column in a MySQL DB to do this. You could do something like MD5 the current date/time.

To stop multiple submits, store the users IP address (again, I would use a DB) and set an expiry time (2 minutes or so). Then when they try to do a submit, check for that IP and if the expiry time has passed.

What have you http://www.foundonp2p.com
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