PHP 8 reference · Array Functions

PHP array_product() Function

Return the product of the values in an array, multiplying them all together. An empty array gives 1.

PHP 8 Since 5.1

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Syntax

array_product(array $array): int|float

Parameter	Description
`array`	The input array.

The product as an int or float.

Multiply valuesTry it yourself

<?php
echo array_product([2, 3, 4]), "\n";
echo array_product([]), "\n";

Output

24
1

FactorialTry it yourself

<?php
echo array_product(range(1, 5)), "\n"; // 5 factorial

Output

Version	Change
PHP 5.1	Added
PHP 8.3	Warns about values that can't be multiplied instead of silently skipping them.

array_sum() · Return the sum of the values in an array. Numeric strings are converted; an empty array gives 0.
array_reduce() · Reduce an array to a single value by passing a running total and each element to a callback.
PHP Array Functions · tutorial
PHP Arrays · tutorial