Pass values in array to a user-defined function and return a string with array_reduce in PHP

Description

The following code shows how to pass values in array to a user-defined function and return a string with array_reduce.

Example

// w  w  w.  j av  a  2s. c om
<?php
function myfunction($v1,$v2){
    return $v1 . "-" . $v2;
}
$a=array("Dog","Cat","Horse");
print_r(array_reduce($a,"myfunction"));
?>

The code above generates the following result.