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What will be the output of the following PHP code (3)?

24. What will be the output of the following PHP code?

<?php
function Increment(){
    static $num = 0;
    echo "$num";
    $num++;
}

Increment();
Increment();
Increment();
?>

1. 000
2. 111
3. 011
4. 012

Answer: D) 012

Explanation:

In the above code, $num is a static variable and it will be initialized once. Thus, the output would be "012".