Two elements whose sum is closest to zero | PHP program to find the Two elements whose sum is closest to zero ; Array should have at least two elements ; Initialization of values ; Driver Code
< ? php function minAbsSumPair ( $ arr , $ arr_size ) { $ inv_count = 0 ; if ( $ arr_size < 2 ) { echo " Invalid ▁ Input " ; return ; } $ min_l = 0 ; $ min_r = 1 ; $ min_sum = $ arr [ 0 ] + $ arr [ 1 ] ; for ( $ l = 0 ; $ l < $ arr_size - 1 ; $ l ++ ) { for ( $ r = $ l + 1 ; $ r < $ arr_size ; $ r ++ ) { $ sum = $ arr [ $ l ] + $ arr [ $ r ] ; if ( abs ( $ min_sum ) > abs ( $ sum ) ) { $ min_sum = $ sum ; $ min_l = $ l ; $ min_r = $ r ; } } } echo " The ▁ two ▁ elements ▁ whose ▁ sum ▁ is ▁ minimum ▁ are ▁ " . $ arr [ $ min_l ] . " ▁ and ▁ " . $ arr [ $ min_r ] ; } $ arr = array ( 1 , 60 , -10 , 70 , -80 , 85 ) ; minAbsSumPair ( $ arr , 6 ) ; ? >