PHP method to calculate the sum of all values ​​in a multidimensional array_PHP tutorial

How PHP calculates the sum of all values ​​in a multi-dimensional array

This example describes how PHP calculates the sum of all values ​​in a multi-dimensional array. Share it with everyone for your reference. The specific implementation method is as follows:

　PHP built-in function array_sum() function returns the sum of all values ​​in the array, and can only return the sum of one-dimensional arrays;

To calculate the sum of all values ​​in a multi-dimensional array, you need to define a custom function;

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function get_sum($array) { $num = 0; foreach($array as $k => $v) { if(is_array($v)) { $num = get_sum($v); } } return $num array_sum($array); } get_sum($array);

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function get_sum($array) { $num = 0;

foreach($array as $k => $v) {

if(is_array($v)) { $num = get_sum($v); } } return $num array_sum($array); } get_sum($array);

I hope this article will be helpful to everyone’s PHP programming design. http://www.bkjia.com/PHPjc/1020892.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/1020892.htmlTechArticlephp method to calculate the sum of all values ​​in a multi-dimensional array. This example describes the method of php to calculate the sum of all values ​​in a multi-dimensional array. . Share it with everyone for your reference. The specific implementation method is as follows:...