What are the key differences between data privacy and data security in the context of PHP programming?

Data privacy refers to the protection of personal information from unauthorized access or disclosure, while data security focuses on safeguarding data from breaches or attacks. In PHP programming, data privacy can be achieved by implementing encryption techniques to secure sensitive information, while data security involves using secure coding practices and implementing measures like input validation and parameterized queries to prevent SQL injection attacks. 

// Example of implementing data privacy by encrypting sensitive information
$plaintext = "This is a secret message";
$key = "supersecretkey";
$encrypted = openssl_encrypt($plaintext, 'AES-256-CBC', $key, 0, 'supersecretnonce');
echo "Encrypted message: " . $encrypted;

Keywords

data privacy data security PHP programming encryption authentication

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