text: Driver Code
code: $ mat = array ( array ( 1 , 2 , -1 , -4 , -20 ) , array ( -8 , -3 , 4 , 2 , 1 ) , array ( 3 , 8 , 6 , 1 , 3 ) , array ( -4 , -1 , 1 , 7 , -6 ) , array ( 0 , -4 , 10 , -5 , 1 ) ) ; echo " Maximum ▁ Value ▁ is ▁ " . findMaxValue ( $ mat ) ; ? >