Calculate 7 n / 8 without using division and multiplication operators | PHP program to evaluate ceil ( 7 n / 8 ) without using * and ; Note the inner bracket here . This is needed because precedence of ' - ' operator is higher than ' < < ' ; Driver Code
< ? php function multiplyBySevenByEight ( $ n ) { return ( $ n - ( $ n >> 3 ) ) ; } $ n = 9 ; echo multiplyBySevenByEight ( $ n ) ; ? >