Identify the variable scope that is not supported by PHP. Hidden variables Global variables Static variables Local variables QUESTION 2 is a variable scope on which a variable does not loose its value when the function exits and uses that value if the function is called again. Global Local Static Hidden QUESTION 3 To upload a file from a client to server, you need to use the superglobal \$_SESSION \$_FILES \$_SERVER \$GLOBALS QUESTION 4 PHP is a scripting language. client-side and server-side server-side middleware client-side QUESTION 5 In PHP, the string concatenation operator is + \& ^ QUESTION 6 The expression $a$b will return $a modulus $b \$a multiplied by Sb 0 $a raised to the power of $b QUESTION 7 The opening tag for PHP blocks is ?> php php ?>