array_sum

(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)

array_sum — Calculate the sum of values in an array

Description

array_sum(array $array): int|float

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; 0 if the array is empty.

Changelog

Version Description

8.3.0 Now emits E_WARNING when array values cannot be converted to int or float. Previously arrays and objects where ignored whilst every other value was cast to int. Moreover, objects that define a numeric cast (e.g. GMP) are now cast instead of ignored.

Version	Description
8.3.0	Now emits `E_WARNING` when `array` values cannot be converted to int or float. Previously arrays and objects where ignored whilst every other value was cast to int. Moreover, objects that define a numeric cast (e.g. GMP) are now cast instead of ignored.

Examples

Example #1 array_sum() examples

<?php
$a = array(2, 4, 6, 8);
echo "sum(a) = " . array_sum($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