What are the best practices for storing special characters in MySQL when using PHP?

Special characters should be properly encoded before storing them in a MySQL database to prevent SQL injection attacks and ensure data integrity. The recommended practice is to use parameterized queries with prepared statements in PHP to safely store special characters in the database.

// Establish a connection to the MySQL database
$mysqli = new mysqli("localhost", "username", "password", "database");

// Prepare a SQL statement with a placeholder for the special character
$stmt = $mysqli->prepare("INSERT INTO table_name (column_name) VALUES (?)");

// Bind the special character value to the placeholder
$stmt->bind_param("s", $special_character);

// Set the value of the special character
$special_character = htmlspecialchars($special_character);

// Execute the prepared statement
$stmt->execute();

// Close the statement and connection
$stmt->close();
$mysqli->close();