Driver Code
$ mat = array ( array ( 1 , 1 , 1 , 1 , 1 ) , array ( 2 , 2 , 2 , 2 , 2 ) , array ( 3 , 3 , 3 , 3 , 3 ) , array ( 4 , 4 , 4 , 4 , 4 ) , array ( 5 , 5 , 5 , 5 , 5 ) ) ; echo " Trace ▁ of ▁ Matrix ▁ = ▁ " , findTrace ( $ mat , 5 ) , " STRNEWLINE " ; echo " Normal ▁ of ▁ Matrix ▁ = ▁ " , findNormal ( $ mat , 5 ) ; ? >