What is the output of the following code? try { $a = 10/0; echo $a; } catch (Exception $e) { echo 'You cannot divide by ZERO!!'; }

Output of the code? $a = 'b'; $b = 22; echo $$a + 40;

How many elements are in the array created by the following line of code: $array = array (true => '5', 1 => '6');

What is the output? session_start(); $_SESSION['logged_in'] = true; $_SESSION['name'] = 'Jane'; $_SESSION['level'] = 4; echo session_encode();

Which type of variables are instances of programmer-defined classes?

Operator to check if two values are equal and of same data type?

Which PHP function checks to see if a file exists and is writable?

The PHP mail() function allows you to...

In the PHP code given below, what is/are the properties?

The case expression is used as part of a PHP ____.

What's the output?