What will be the output of the following PHP code ?<?phpclass

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What will be the output of the following PHP code ?

<?php
class Constants
{
    define('MIN_VA', '10.10');  
    define('MAX_VAL', '20.20');  
    public static function getMin()
    {
        return self::MIN_VAL;
    }
    public static function getMax()
    {
        return self::MAX_VAL;
    }
}
echo Constants::getMin();
echo Constants::getMax();
?>

1. Error
2. 10.10
3. 20.20
4. Nothing
5. None of these

Correct Option: A

In a class constants should be defined const MIN_VAL = 10.10; const MAX_VAL = 20.20; instead.