Is there a way to validate customer input?

[ed4becky]

I don’t have a very sophisticated upgrade regime; I have offered users with a current license code to upgrade for a reduced price. However the program will not be able to validate if a current version exists.

I would like to use the ‘collect customer input’ field to have the user input the old code before I give them the new one. I have read up on how to make the field mandatory – my question is is there a way to validate the input before going to Paypal?

[admin]

The collect customer input field is just a free form text field. Different users use that field for different purpose so we can’t apply a validation that works for everyone. If you have some specific validation that you want to apply to your site then we will have to do a custom job.

https://support.tipsandtricks-hq.com/need-custom-work-done

[ed4becky]

I understand, I was looking more for a ‘has anyone done this’ sorta thing, or ‘are there any hooks’.

[ed4becky]

I made the change to requite customer input:

if (val.length != 0)

{

val = val.replace(“(“,”[“);

val = val.replace(“)”,”]”);

val_combo = val_combo + ” (” + val + “)”;

<validate here?>

} else {

alert(“Please include your v1 License key”);

return false;

}

Is my requirement met simply by adding a database query to validate the input and return false if its not valid?

[admin]

Yep. The above code is in JavaSript though so to do the database query you will need to use AJAX there.

[Author]

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