What is the output of the following code?$a = 'a'; $b = 'b';echo isset($c) ? $a.$b.$c : ($c = 'c').'d';
Answer(s): B
Which of the following are valid identifiers? (Choose 3)
Answer(s): B,C,E
What super-global should be used to access information about uploaded files via a POST request?
Answer(s): D
What is the difference between "print" and "echo"?
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