How to use array_sum() to calculate the sum of array element values

This time I will show you how to use array_sum() to calculate the sum of the array element values, and how to use array_sum() to calculate the sum of the array element values.Notes What are they? Here are actual cases. Let’s take a look.

array_sum() definition and usage
array_sum() Function Returns the sum of all values ​​in the array.

If all values ​​are integers, an integer value is returned. If one or more of the values ​​is a floating point number, a floating point number is returned.

Versions prior to PHP 4.2.1 modified the incoming array itself, converting the string values ​​into numeric values ​​(converted to zero in most cases, depending on the specific system) depends).

Syntax
array_sum(array)
Parameter Description
array Required. Specifies the input array.

The above are five examples of the array_sum function for your reference.

<?php $a=array(0=>"5",1=>"15",2=>"25"); echo array_sum($a); ?>
输出： 45

<?php $a=array(0=>5,1=>15,2=>25); echo array_sum($a); ?>
输出： 45

<?php 
$a=array(0=>5,1=>15.5,2=>25); 
echo array_sum($a); 
?>
输出： 
45.5

<?php $a=array(0=>5,1=>"15s",2=>25); echo array_sum($a); ?>
输出： 45

<?php $a=array(0=>5,1=>"s15s",2=>25); echo array_sum($a); ?>
输出： 30

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!

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