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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