array_sum

(PHP 4 >= 4.0.4)

array_sum --  Calculate the sum of values in an array.

Description

mixed array_sum (array arr)

array_sum() returns the sum of values in an array as an integer or float.

Example 1. array_sum() examples


$a = array(2, 4, 6, 8);
echo "sum(a) = ".array_sum($a)."\n";
// prints: sum(a) = 20

$b = array("a"=>1.2,"b"=>2.3,"c"=>3.4);
echo "sum(b) = ".array_sum($b)."\n";
// prints: sum(b) = 6.9