How to calculate the product of all values ​​in an array in PHP? (code example)

array_product() is a built-in function in PHP that returns the product of all the numbers in a given array. This function accepts an array consisting only of numbers. If there is other data in the array besides numbers, the function returns 0.

Syntax:

array_product($array)

Parameters: The function has a mandatory parameter $array, for which the product of all values ​​is calculated.

Return value: This function returns three different values ​​based on the following conditions:

Returns 0 if the array contains at least one non-numeric data.

When an empty array is passed as parameter, it returns 1.

If neither of the above conditions is met, return the product of all items in the array.

Code example 1:

<?php 
$a1=array(1, 2, 3, 4); 
  
echo(array_product($a1)); 
?>

Output:

24

Code example 2: When the array contains at least one When non-numeric data:

<?php 

$a1=array(1, 2, 3, &#39;a&#39;); 
  
echo(array_product($a1));

Output:

0

Code example 3:When the array is empty

<?php 

$a1=array(); 
  
echo(array_product($a1));

Output:

1

Related recommendations: "PHP Tutorial"

This article is an introduction to the method of calculating the product of all values ​​in an array in PHP. I hope it will be helpful to friends in need!

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