Validating checkboxes using php

Posted by / 30-Jul-2017 03:26

Validating checkboxes using php

In this tutorial, we will see how to use PHP to validate the data collected from a form.You will see how to validate various fields used in general, like text, list, checkbox, radio button and we will also see how to retain POST data, so that after the user submits the form, even if the data supplied is not valid, data is not lost.The session usually lives for 24 minutes after the last HTTP request. I just realized that Sniper Code Sheva did post something pretty similar to Ray (but I don't think it would have worked in it's current state) and I should award that points instead of the j Query post!Please could admin help me out and allow me to change the points assignment.This is just a simple and harmless example how the PHP_SELF variable can be exploited.

Unfired checkboxes and radio buttons are not present in the request. https:// Thanks Peos John, I get the same result as the other solution that was posted regarding doing it with j Query. Without a signal in the name of the checkbox, you can't validate the POST request.

If it's valid to send an array of checkbox values through your form, that's fine!

You just need to add a conditional/check to not validate your checkboxes in that particular bit of the validation.

Basically I am developing a website that has one checkbox section for the "Customers interests" and one for the "Privacy & Policy" and it goes this way: Basically instead of _GET i used _POST. The only thing is, when I use the spam code (below), as Randy Hoyt showed us in one video, I get the error message and it doesn't send the email anymore.

The only thing now is that I get only one checkbox value when i receive the email (the last one checked on the list) even if you choose two or more. Here's what i get ticking one or more checkboxes: string(8) "Branding" So basically the privacy checkbox seems to work fine but the multiple option one ($interest checkbox) is echoing only the last choice in order of appearance even if i tick more than once Hi Tom, that's all correct, although when I use PHPMailer and try that online I get back: array in my email and not the values as supposed to be. This happens only with the checkboxes, if I delete them the email works just fine, same way, if I delete the spam code the email works fine and I finally get all the values from the checkboxes. There was a problem with the information you entered.

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Looks to me like the HTML will produce a structure like this when the form is submitted $_POST['defects][] In other words, the "defects" element of $_POST will be an array.

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