Driver code
$ str = " geeksforgeeks " ; $ l = 102 ; $ r = 111 ; echo " Characters ▁ with ▁ ASCII ▁ values ▁ not ▁ in ▁ the ▁ " . " in the given string are : " echo " and their count is " . CountCharacters ( $ str , $ l , $ r ) ; ? >