What are the potential issues with using GET requests in PHP forms, especially in terms of form resubmission?

Using GET requests in PHP forms can lead to potential security vulnerabilities, such as exposing sensitive data in the URL and allowing form resubmission when the user refreshes the page. To solve this issue, it is recommended to use POST requests for form submissions in PHP to securely send data without exposing it in the URL and prevent unintended form resubmission. 

<form method="post" action="submit.php">
    <!-- form fields go here -->
    <input type="submit" value="Submit">
</form>

Keywords

GET requests PHP forms form resubmission cache browser cache

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