What is the output of the following code? echo ‘1’ . (print ‘2’) + 3;

What is the output of the following code? $a = 3; switch ($a) { case 1: echo ‘one’; break;
case 2: echo ‘two’; break; default: echo ‘four’; break; case 3: echo ‘three’; break; }

What is “instanceof” an example of?

Which of the following may be used in conjunction with CASE inside a SWITCH statement?

What is the output of the following code? $a = ‘a’; $b = ‘b’; echo isset($c) ? $a.$b.$c : ($c =
‘c’).’d’;

Which of the following are valid identifiers? (Choose 3)

What super-global should be used to access information about uploaded files via a POST
request?

What is the difference between “print” and “echo”?

What is the output of the following code? echo “1” + 2 * “0x02”;

What is the result of the following bitwise operation in PHP? 1 ^ 2