What are some common issues that users face when transitioning to HTTPS and how can they affect PHP scripts like the one mentioned in the forum thread?

Common issues when transitioning to HTTPS include mixed content errors, insecure content warnings, and issues with SSL certificates. These issues can affect PHP scripts by causing errors or warnings related to insecure content being loaded over HTTPS. To fix mixed content errors in PHP scripts, you can use the following code snippet to ensure that all resources are loaded securely over HTTPS: 

if ($_SERVER['HTTPS'] != 'on') {
    $url = 'https://' . $_SERVER['SERVER_NAME'] . $_SERVER['REQUEST_URI'];
    header('Location: ' . $url);
    exit();
}

Keywords

SSL certificate mixed content HTTP to HTTPS redirect cURL insecure requests

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