How can PHP developers troubleshoot "page not found" errors after implementing domain redirection?

After implementing domain redirection, PHP developers can troubleshoot "page not found" errors by checking the redirection rules in their .htaccess file or server configuration. They should ensure that the redirection is correctly pointing to the new domain and that the URLs are properly formatted. Additionally, developers can use PHP header functions to redirect users to the correct page if a "page not found" error occurs. 

<?php
// Check if the page is not found and redirect to the correct page
if ($_SERVER['REQUEST_URI'] == '/page-not-found') {
    header('Location: https://www.example.com/correct-page');
    exit();
}
?>

Keywords

PHP troubleshooting page not found domain redirection error handling

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