Driver Code
$ mat = array ( array ( 1 , 0 , 0 , 1 ) , array ( 0 , 0 , 1 , 0 ) , array ( 0 , 0 , 0 , 0 ) ) ; echo " Input ▁ Matrix ▁ : STRNEWLINE " ; printMatrix ( $ mat ) ; modifyMatrix ( $ mat ) ; echo " Matrix ▁ After ▁ Modification ▁ : STRNEWLINE " ; printMatrix ( $ mat ) ; ? >