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Adding numeric filds in a PHP Form to display a total


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Hi,

I'm new to this so bare with me.

I have a PHP form that has a number of Numeric fields.  I also have a Total Amount field.  How to I add the values of the other numeric fields and populate the Total field with the result.

The form details are being sent to a MySQL database.  Would it be easier to add the fields on the MySQL side using some SQL code?

Fields:

amount1
amount2
amount3
totalamount

Thanks in advance.

Killian
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If you want to display it on the page, then you're better of using a client-side language like JavaScript, this will save you submitting the form every time something gets changed.

That of course is assuming that amount1, amount2, and amount3 are all editable on the page that's displaying the values for them.

Regards
Huggie
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