What are some recommended resources for learning about secure data transfer practices in PHP?

Secure data transfer practices in PHP involve using encryption techniques to protect sensitive information being transmitted over networks. One common method is to use HTTPS protocol to encrypt data in transit. Additionally, using secure communication libraries like OpenSSL can help ensure data integrity and confidentiality during transfer. 

// Example of sending data securely using cURL with HTTPS
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'https://example.com/api');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query(['username' => 'user', 'password' => 'pass']));
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
$response = curl_exec($ch);
curl_close($ch);

echo $response;

Keywords

SSL encryption secure sockets layer data validation PHP security

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