Math Function Library : Return Value « Functions « PHP

Math Function Library

     function subtract($n1, $n2) {
          return $n1 - $n2;
     function add($n1, $n2) {
          return $n1 + $n2;
     function divide($n1, $n2) {
          if($n2 == 0)
               return -1;
               return $n1 / $n2;
     function multiply($n1, $n2)
          return $n1 * $n2;
     function to_pow($n1, $pow)
               return $n1 * to_pow($n1, $pow - 1);
          return 1;
     print(to_pow(6, 1) . "<br />");
     print(multiply(5, 10) . "<br />");
     print(divide(5, 10) . "<br />");
     print(subtract(10, 50) . "<br />");
     print(add(10, 5) . "<br />");

Related examples in the same category

1.Function return more than one value
2.A Function That Returns a Value
3.Function Requiring Two Arguments
4.A Function That Returns a Value
5.Functions that return true or false
6.Returning a value from a function
7.Returning an array from a function
8.Returning a list an array from function
9.Returning Values by Reference
10.Returning a Value by Reference
11.Returning by Reference
12.Returning More Than One Value
13.Multiple return statements in a function
14.return multiple values from a function
15.Using an array returned from a function
16.Passing Arguments and Returning Values by Reference
17.User-Defined Function to Determine a Leap Year