How can PHP error handling and debugging techniques be used to troubleshoot a white screen issue when working with .htpasswd user authentication?

When encountering a white screen issue with .htpasswd user authentication, it is likely due to a PHP error that is not being displayed. To troubleshoot this, you can enable error reporting in PHP and check the error logs for more information. Additionally, you can use debugging techniques such as var_dump() or echo statements to pinpoint the issue in your code. 

<?php
ini_set('display_errors', 1);
error_reporting(E_ALL);

// Your .htpasswd user authentication code here

// Debugging code to pinpoint the issue
var_dump($variable); // Replace $variable with the variable you want to inspect
echo "Debugging message"; // Add debugging messages to track the flow of your code
?>

Keywords

PHP error handling debugging .htpasswd user authentication

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