Question

Which character does the error_reporting directive use to represent the logical operator NOT?

(a) /

(b) !

(c) ~

(d) ^

The question was asked in a national level competition.

This interesting question is from Error Handling in section Error Handling and Exception Handling in PHP of PHP

Answer 1

Right answer is (c) ~

For explanation: The twidle (~) character is used to represent the logical operator NOT.