<?php
function calculator($number1 , $number2 , $Operator){
switch ($Operator) {
case '+':
return $number1 + $number2;
break;
case '-':
return $number1 - $number2;
break;
case '*':
return $number1 * $number2;
break;
case '/':
return $number1 / $number2;
break;
default:
echo 'Please inter two number and Operator';
break;
}
}
echo calculator(20,5,'+');
?>