Largest gap in an array | function to solve the given problem ; Driver Code
< ? php function solve ( $ a , $ n ) { $ max1 = PHP_INT_MIN ; for ( $ i = 0 ; $ i < $ n ; $ i ++ ) { for ( $ j = 0 ; $ j < $ n ; $ j ++ ) { if ( abs ( $ a [ $ i ] - $ a [ $ j ] ) > $ max1 ) { $ max1 = abs ( $ a [ $ i ] - $ a [ $ j ] ) ; } } } return $ max1 ; } $ arr = array ( -1 , 2 , 3 , -4 , -10 , 22 ) ; $ size = count ( $ arr ) ; echo " Largest ▁ gap ▁ is ▁ : ▁ " , solve ( $ arr , $ size ) ; ? >