PHP method to calculate the sum and product of values ​​in an array and example analysis

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

·1. Overview:

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

Grammar:

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 the product of all values ​​in the array, and returns the calculation result as an integer or floating point number. Non-numeric cells 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
?>

Summary: The above is the entire content of this article, I hope it will be helpful to everyone's study.

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