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PHP function array_product() that calculates and returns the product of an array

黄舟Original: 2017-11-08 10:36:262232browse

Example

Calculate and return the product of array:

<?php
$a=array(5,5);
echo(array_product($a));
?>

Definition and usage

array_product() FunctionCalculation and returns the product of arrays.

Syntax

array_product(array)

Parameters	Description
array	Required. Specifies an array.

Technical details

Return value:	Returns the product of an integer or floating point number.
PHP Version:	5.1.0+
Change Log:	Since PHP 5.3.6, the product of empty arrays is 1. Prior to PHP 5.3.6, the product of empty arrays was 0.

More examples

Example 1

Calculate and return the product of arrays:

<?php
$a=array(5,5,2,10);
echo(array_product($a));
?>

Example 1 (Pure Numbers (array without string ):

<?php
$arr=array(2,3,4);
echo array_product($arr);
?>

Output result: 24
Example (array containing string):

<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<meta http-equiv="Content-Type" content="text/hmtl; charset=utf-8" ><!--PHP中文乱码处理-->
<title>php array_product()函数笔记_PHP笔记</title>
</head>
<body>
<?php
$arr1=array("2","3","4");//"2"、"3"和"4"会被当中数字2、3和4
$arr2=array("2a","3b","4");//"2a"和"3b"会被当作数字2和3
$arr3=array("a2","3","4"); //"a2"会被当作数字0
echo &#39;"2","3","4":&#39;.array_product($arr1);
echo &#39;</br>"2a","3b","4":&#39;.array_product($arr2);
echo &#39;</br>"a2","3","4":&#39;.array_product($arr3);
?>
</body>
</html>

operation result:
PHP function array_product() that calculates and returns the product of an array

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PHP function array_product() that calculates and returns the product of an array

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