Sum all the values in an associative array in PHP

Description

The following code shows how to sum all the values in an associative array.

Example

// w w w .j  a va 2  s  .  c  o  m
<?php
    $a=array("a"=>5.2,"b"=>1.7,"c"=>0.9);
    echo array_sum($a);
?>

The code above generates the following result.