/
functions.php
66 lines (62 loc) · 1.51 KB
/
functions.php
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<?php
function redirect($page){
$host = $_SERVER['HTTP_HOST'];
$uri = rtrim(dirname($_SERVER['PHP_SELF']), '/\\');
header("Location: http://$host$uri/$page");
exit();
}
//0 = tied, -1 = incomplete, other = winner
function winner($data){
$grid = $data['grid'];
$size = $data['size'];
for($r = 0; $r < 7; $r++){
for($c = 0; $c < 7; $c++){
$rs = checkDirection($r, $c, 1, 1, $grid);
if($rs != -1){
break;
}
$rs = checkDirection($r, $c, -1, -1, $grid);
if($rs != -1){
break;
}
$rs = checkDirection($r, $c, 0, 1, $grid);
if($rs != -1){
break;
}
$rs = checkDirection($r, $c, 1, 0, $grid);
if($rs != -1){
break;
}
}
if($rs != -1){
break;
}
}
if($rs != -1){
return $rs;
}
else if($size != 49){
return 0;
}
return $rs;
}
function checkDirection($r, $c, $x, $y, $grid){
if($grid[$r][$c] != -1){
$ct = 0;
while($ct < 4){
$my_x = $ct * $x + $r;
$my_y = $ct * $y + $c;
if($my_x > 6 || $my_y > 6 || $my_y < 0 || $my_x < 0){
return -1;
}
if( $grid[$my_x][$my_y] != $grid[$r][$c]){
return -1;
}
// echo '<br />';
$ct++;
}
return $grid[$r][$c];
}
return -1;
}
?>