How can PHP handle form data submission to prevent issues with browser security measures like the one described in the forum thread?

To prevent issues with browser security measures like the one described in the forum thread, PHP can handle form data submission by sanitizing input data to prevent cross-site scripting (XSS) attacks. This can be done by using functions like htmlspecialchars() to encode special characters before displaying the data back to the user. 

// Sanitize form data before processing
$name = htmlspecialchars($_POST['name']);
$email = htmlspecialchars($_POST['email']);
$message = htmlspecialchars($_POST['message']);

// Process the sanitized form data
// Your processing code here

Keywords

PHP form data submission browser security CSRF token sanitize input

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