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TOPIC: Check if entered number is unique

Check if entered number is unique 1 year 4 months ago #74286

  • hovardkr
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Hi!

In our survey we have a numeric field where the customers enters a code that can be used once.

How can I check if this code has not allready been used?
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Re: Check if entered number is unique 1 year 4 months ago #74293

  • holch
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With the normal Limesurvey tools, there is no possibility to check if it has been used in any other survey. You will need to do some custom programming to read the database and check if the code exists already.

For what do you need the code? Maybe the token feature can already solve your problem?
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Manual (EN) | Question Types | Question Attributes | Workarounds
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Re: Check if entered number is unique 1 year 4 months ago #74351

  • DenisChenu
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Hello,

The only solution seem to use ajax, call a ajax function after click on movenext, this function take the number already set in the database, and return false if the number exist.

There are some work for a good javascript and php script solution.

Denis
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