PHP method to calculate the sum and product of values ​​in an array (with functions)

This article mainly introduces the method of calculating the sum and product of values ​​in an array in PHP. It analyzes the functions and usage of array_sum and array_product functions in detail in the form of examples. Friends in need can refer to it

The example in this article describes how PHP calculates the sum and product of values ​​in an array. Share it with everyone for your reference, the details are as follows:

1. Overview:

array_sum() function is used to calculate the sum of all values ​​in the array.
array_product() function is used to calculate the product of all values ​​in an array.

2. Usage example:

array_sum()

PHP array_sum() function is used to calculate all values ​​in the array The sum of , returns the calculation result as an integer or floating point number, and non-numeric units will be treated as 0.

Syntax:

number array_sum( array array )

Example:

<?php
$arr_a = array(1, 2, 3, "a");
echo array_sum($arr_a);  //输出：6
?>

array_product()

PHP array_product() function is used to calculate all items in an array The product of values, returns the calculation result as an integer or floating point number, non-numeric units will be treated as 0.

Grammar:

number array_product( array array )

Example:

<?php
$arr_a = array(1, 2, 3);
echo array_product($arr_a);  //输出：6
$arr_b = array(1, 2, 3, "abc");
echo array_product($arr_b);  //输出：0
?>

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