PHP method to calculate the sum and product of values ​​in an array (array_sum and array_product functions), sumproduct_PHP tutorial

PHP’s method of calculating the sum and product of values ​​in an array (array_sum and array_product functions), sumproduct

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

2. Usage examples:

array_sum()

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

Syntax:

number array_sum( array array )

Example:

<&#63;php
$arr_a = array(1, 2, 3, "a");
echo array_sum($arr_a);  //输出：6
&#63;>

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 units will be treated as 0.

Syntax:

number array_product( array array )

Example:

<&#63;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
&#63;>

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