PHP array_sum() Function – Summing All Values in an Array

Function: array_sum(array $array)

Description: The array_sum() function returns the sum of all values in the given array as an integer or floating‑point number.

Parameter:

array – The input array whose values will be summed.

Return value: The sum of all values, returned as an integer or float.

Example:

<?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";
?>

Output:

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