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What will be the output of the following PHP code (1)?

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

<?php
$x = 5;

function myFunction(){
    echo "Result $x";
}
myFunction();
?>

1. Result $x
2. Result 5
3. Result
4. None of the above

Answer: C) Result

Explanation:

The variable x is a global variable, and can only be accessed outside a function.