Zend Preparation | PHP Quiz (Learning Mode)

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During an HTTP authentication, how does one determine the username and password provided by the browser?

Parse the HTTP headers manually using http_get_headers()

Use the get_http_username() and get_http_password() functions

Use the $_SERVER[''HTTP_USER''] and $_SERVER[''HTTP_PASSWORD''] variables

Use the $_SERVER[''PHP_AUTH_USER''] and $_SERVER[''PHP_AUTH_PW''] variables