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Editorial Team
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Asked: 2026-05-27T05:12:23+00:00

I have a form written in PHP/HTML. The form consists of textboxes, dropdowns and

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I have a form written in PHP/HTML. The form consists of textboxes, dropdowns and checkboxes. What I want to achieve is, I want to track all the changes on the form from textbox, dropdown and checkbox and store it in DB for auditing purposes. I don’t need to know the previous data and what has been update but I want to know if user change the textbox1, dropdown and checkbox.

What is the most efficient way to do this on PHP. I’ve read some triggers in mysql but i want to do it only in PHP.

Thanks a lot.

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1 Answer

  1. Editorial Team

    If I interpret your request correctly, when you draw the form you know the values of the fields. You can store a hash of them:

    <?php
$hash = md5($text . $drop . $check);
?>
<input type="hidden" name="values" value="<?php $hash; ?>" />

    Then in the process of the submited form you can compare the two values

    <?php
$previous = $_POST['values'];
$actual = md5($_POST['text'] . $_POST['drop'] . $_POST['check']);
if ($previous !== $actual)
    // you know some values are diferent
}
?>
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