php function array_sum() that returns the sum of all values in the array-PHP Tutorial-php.cn

php function array_sum() that returns the sum of all values in the array

黄舟

Release： 2023-03-17 08:44:01

Original

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Example

Return the sum (5+15+25) of all values in array:

<?php
$a=array(5,15,25);
echo array_sum($a);
?>

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Definition and usage

array_sum() FunctionReturns the sum of all values in the array.

Syntax

array_sum(array)

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Parameters	Description
array	Required. Specifies an array.

Technical details

# Versions prior to ##PHP 4.2.1 modified the passed array itself, converting the

Return value:	Returns the sum of all values in the array.
PHP Version:	4.0.4+
Change Log:	string values in it to numeric values (in most cases to zero, depending on the value).

More examples

Example 1

Return the sum of all values in the array (52.2+13.7+0.9):

<?php
$a=array("a"=>52.2,"b"=>13.7,"c"=>0.9);
echo array_sum($a);
?>

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Example 1

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

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Output:

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Example 2

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

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Output:

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Example 3

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

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Output:

45.5

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Example 4

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

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Output:

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Example 5

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

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Output:

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