Is it advisable to combine POST and GET parameters in a form submission for PHP scripts, and what are the implications of doing so?

It is not advisable to combine POST and GET parameters in a form submission for PHP scripts as it can lead to confusion and potential security vulnerabilities. It is recommended to choose one method (POST or GET) for passing parameters in a form submission. If both types of parameters are needed, consider using hidden input fields to pass additional data securely. 

<form method="post" action="process.php">
    <input type="hidden" name="id" value="123">
    <input type="text" name="name">
    <input type="submit" value="Submit">
</form>

Keywords

POST GET parameters form submission implications

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