What are the potential issues with handling special characters like umlauts and quotes in PHP when storing data in a database?

Special characters like umlauts and quotes can cause issues when storing data in a database if the database encoding is not set correctly. To handle these special characters properly, it is important to ensure that the database connection is using UTF-8 encoding. This can be done by setting the charset parameter in the database connection string to 'utf8'. 

// Set the charset parameter in the database connection string to 'utf8'
$dsn = 'mysql:host=localhost;dbname=mydatabase;charset=utf8';
$username = 'username';
$password = 'password';

try {
    $pdo = new PDO($dsn, $username, $password);
    // Set the PDO connection to use UTF-8
    $pdo->exec("set names utf8");
} catch (PDOException $e) {
    echo 'Connection failed: ' . $e->getMessage();
}

Keywords

UTF-8 htmlentities mysqli_real_escape_string SQL injection character encoding

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