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

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

The example in this article 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 customize a function;

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.

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