Driver program
$ arr = array ( 0 , 1 , 0 , 2 , 1 , 0 , 1 , 3 , 2 , 1 , 2 , 1 ) ; $ n = sizeof ( $ arr ) ; echo " Maximum ▁ water ▁ that ▁ can ▁ be ▁ accumulated ▁ is ▁ " , findWater ( $ arr , $ n ) ; ? >