Which of the following variables does PHP use to authenticate a user?
1. $_SERVER[‘PHP_AUTH_USER’].
2. $_SERVER[‘PHP_AUTH_USERS’].
3. $_SERVER[‘PHP_AUTH_PU’].
4. $_SERVER[‘PHP_AUTH_PW’].

A. 1 and 2

B. 2 and 4

C. 1 and 4

D. 2 and 3

Answer: Option C

Solution(By Examveda Team)

$_SERVER[‘PHP_AUTH_USER’] and $_SERVER[‘PHP_AUTH_PW’] store the username and password values, respectively.