What are the legal considerations and best practices for electronic invoicing and archiving in PHP applications, as discussed in the forum thread?

Legal considerations for electronic invoicing and archiving in PHP applications include ensuring compliance with local tax laws, data protection regulations, and electronic signature requirements. Best practices include securely storing invoice data, implementing encryption for sensitive information, and using digital signatures to verify the authenticity of invoices. 

// Example code for securely storing invoice data in PHP
$invoiceData = array(
    'invoice_number' => 'INV001',
    'customer_name' => 'John Doe',
    'total_amount' => 100.00,
    // Add more invoice data fields as needed
);

$encryptedData = openssl_encrypt(json_encode($invoiceData), 'AES-256-CBC', 'your_secret_key', 0, 'your_iv');

// Store the encrypted invoice data in a secure database or file
file_put_contents('invoices/invoice_001.txt', $encryptedData);

Keywords

e-invoicing archiving legal compliance PHP applications data encryption

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