php array_sum 배열의 값 합 구하기

php array_sum 배열의 값 합 구하기

array_sum

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

array_sum — Calculate 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.

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