Are there any best practices for handling form submissions and sessions in PHP to avoid browser prompts?

When handling form submissions and sessions in PHP, it is important to redirect after processing the form data to avoid browser prompts when refreshing the page. This can be achieved by using the header() function to redirect to a different page after form submission. 

<?php
session_start();

if ($_SERVER["REQUEST_METHOD"] == "POST") {
    // Process form data here
    
    // Redirect to a different page to avoid browser prompts
    header("Location: success.php");
    exit();
}
?>

Keywords

form submissions sessions PHP browser prompts error handling

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