What are the best practices for handling customer data securely in a PHP-based online shop system?

To handle customer data securely in a PHP-based online shop system, it is important to use secure communication protocols (such as HTTPS), encrypt sensitive data before storing it in a database, and implement proper input validation to prevent SQL injection attacks. 

<?php

// Example of encrypting sensitive customer data before storing it in a database
$customerName = 'John Doe';
$customerEmail = 'johndoe@example.com';
$customerPassword = 'password123';

$encryptedPassword = password_hash($customerPassword, PASSWORD_DEFAULT);

// Store encrypted password in the database
// INSERT INTO customers (name, email, password) VALUES ('$customerName', '$customerEmail', '$encryptedPassword');

?>

Keywords

encryption secure hashing algorithms input validation SQL injection prevention SSL/TLS encryption

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