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PHP function array_product() that calculates and returns the product of an array
- 黄舟Original
- 2017-11-08 10:36:262277browse
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
$arr3=array("a2","3","4"); //"a2"会被当作数字0
echo '"2","3","4":'.array_product($arr1);
echo '</br>"2a","3b","4":'.array_product($arr2);
echo '</br>"a2","3","4":'.array_product($arr3);
?>
</body>
</html>operation result:
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