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Which of the following is correct? (Choose 2)
When a browser requests an image identified by an img tag, it never sends a Cookie header.
Consider the following table data and PHP code. What is the outcome?
Table data (table name "users" with primary key "id"):
id name email
------- ----------- -------------------
1 anna [email protected]
2 betty [email protected]
3 clara [email protected]
5 sue [email protected]
PHP code (assume the PDO connection is correctly established):
$dsn = 'mysql:host=localhost;dbname=exam';
$user = 'username';
$pass = '********';
$pdo = new PDO($dsn, $user, $pass);
try {
$cmd = "INSERT INTO users (id, name, email) VALUES (:id, :name, :email)";
$stmt = $pdo->prepare($cmd);
$stmt->bindValue('id', 1);
$stmt->bindValue('name', 'anna');
$stmt->bindValue('email', '[email protected]');
$stmt->execute();
echo "Success!";
} catch (PDOException $e) {
echo "Failure!";
throw $e;
}
Please provide the name of the super-global variable where all the information about cookies is available.
What purpose do namespaces fulfill?
