Online PHP editor | refs for rcakO

<?php function solution($A) { // write your code in PHP5 $result = -1; $n = count($A); if ($n > 0) { if (0 && max($A) == $A[$n-1]) { $result = $n-1; } else { $center = round($n/2); while($center >1 && $center < $n){ $left = array_slice($A, 0, $center); $right = array_slice($A, $center); if (max($left) <= $A[$center]) { if (min($right) >= $A[$center]) { $result = $center; break; } else { $center = round(($center + $n - 1)/2); } } else { $center = round($center/2); } } } } return $result; } $A[0] = 4 ; $A[1] = 2 ; $A[2] = 2; $A[3] = 3 ; $A[4] = 1 ; $A[5] = 4; $A[6] = 7 ; $A[7] = 8 ; $A[8] = 6; $A[9] = 9; print_r(solution($A));