What are common legal compliance issues faced by PHP developers in Germany?

One common legal compliance issue faced by PHP developers in Germany is data protection regulations, such as the GDPR. To ensure compliance, developers need to implement measures like obtaining user consent before collecting personal data and securely storing and processing this data.

// Example code snippet for obtaining user consent before collecting personal data
if(isset($_POST['consent'])){
    // Store user consent in database or session
} else {
    // Display consent form to user
}