.

connectfour.php

@@ -103,7 +103,7 @@ function better_col($board,$me,$opponent,$depth){
   for( $i = 0; $i < 7; $i++){
     if($board[5][$i] == " "){
       $sc = score($board,$me,$opponent,$i,$depth);
-      if( score($board,$me,$i) > $betterScore){
+      if( $sc > $betterScore){
 	$betterScore = $sc;
 	$betterCol = $i;
       }