PHP calculates the sum of all the values in a multidimensional array, multidimensional array _php tutorial

PHP calculates the sum of all the values in a multidimensional array, a multidimensional array

The PHP built-in function array_sum () function returns the sum of all the values in the array, returning only the sum of one-dimensional arrays;

Calculate all the values of the multidimensional array and the custom function is necessary;

1 function get_sum ($array) {2     $num = 0; 3     foreach ($arrayas$k$v) {4         if (is_array($v)) {5             $num + = get_sum ($v); 6         }7    }8     return$numArray_ Sum($array); 9 }
Ten get_sum ($array);

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