Sum an array with array_reduce in PHP

Description

The following code shows how to sum an array with array_reduce.

Example

// w  ww  .  j  a v  a  2  s. c  o  m
<?php
function myfunction($v1,$v2){
    return $v1+$v2;
}
$a=array(10,15,20);
print_r(array_reduce($a,"myfunction",5));
?>

The code above generates the following result.