Question

How to use nested functions in PHP

Answer 1

function func_top_get_cost($price, $tax) {
   function nested_func_calc_tax($price, $tax) {
      return ($price * $tax) / 100;
   }
   $total = $price + nested_func_calc_tax($price, $tax);  
   return round($total, 2);
}

echo func_top_get_cost(17.50, 5) . "<br />";
echo nested_func_calc_tax(17.50, 5);
 
/*
run:

18.38
0.875

*/

 

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