negative to positive

[Stuart Clark]

Hi all

How do i change a negative value to a positive?

EG

$number1 = -100;
$number2 = 50;

$result = $number2 - $number1;


The $result variable would equal -50

I want to change the script so it would equal 50

so something like this $result = makethisapositive($number2 - $number1);
 


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