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Calculate the sum of values in an array


array_sum

(PHP 4 >= 4.0.4, PHP 5)

array_sumCalculate the sum of values in an array

Description

number array_sum ( array $array )

array_sum() returns the sum of values in an array.

Parameters

array

The input array.

Return Values

Returns the sum of values as an integer or float.

Changelog

Version Description
4.2.1 PHP versions prior to 4.2.1 modified the passed array itself and converted strings to numbers (which most of the time converted them to zero, depending on their value).

Examples

Example #1 array_sum() examples

<?php
$a 
= array(2468);
echo 
"sum(a) = " array_sum($a) . "\n";

$b = array("a" => 1.2"b" => 2.3"c" => 3.4);
echo 
"sum(b) = " array_sum($b) . "\n";
?>

The above example will output:

 sum(a) = 20 sum(b) = 6.9 



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