function getlegalmoves($standard, $fen)
{
$promotepiece = array('Q', 'R', 'B', 'N');
$standard->resetGame($fen);
$toMove = $standard->toMove();
if ($standard->inCheckMate()) {
return array('success' => 1, 'result' => oppositewins($toMove), 'msg' => 'wins');
}
if ($standard->inRepetitionDraw()) {
return array('success' => 1, 'result' => 'Draw', 'msg' => 'in repetition');
}
if ($standard->inStaleMate()) {
return array('success' => 1, 'result' => 'Draw', 'msg' => 'in stalemate');
}
if ($standard->inDraw()) {
return array('success' => 1, 'result' => 'Draw', 'msg' => 'in draw');
}
if ($standard->gameOver()) {
return array('success' => 1, 'result' => $standard->gameOver(), 'msg' => 'wins');
}
$ploc = $standard->getPieceLocations($toMove);
$toArray = $standard->toArray();
$newloc = array();
if ($ploc) {
foreach ($ploc as $loc) {
$newloc[$loc] = $toArray[$loc];
}
}
$list = array();
if (empty($newloc)) {
return false;
} else {
foreach ($newloc as $sq => $loc) {
$move = $standard->getPossibleMoves(strtoupper($loc), $sq, $toMove, true);
if (!empty($move)) {
foreach ($move as $m) {
$promotemove = 0;
if (strtoupper($loc) == 'P') {
$promotemove = $standard->isPromoteMove($sq, $m);
}
if (!empty($promotemove)) {
foreach ($promotepiece as $piece) {
$legalmove = $standard->_convertSquareToSAN($sq, $m, $piece);
$parseMove = $standard->_parseMove($legalmove);
$validMove = $standard->_validMove($parseMove);
if ($validMove === true) {
$standard->resetGame($fen);
$standard->moveSAN($legalmove);
$renderFen = $standard->renderFen();
$result = '';
if ($standard->inCheckMate()) {
$result = '#';
} else {
if ($standard->inRepetitionDraw()) {
$result = ' Draw in Repetition';
} else {
if ($standard->inStaleMate()) {
$result = ' Stalemate Draw';
} else {
if ($standard->inDraw()) {
$result = ' Draw';
} else {
if ($standard->gameOver()) {
$result = '#';
}
}
}
}
}
$list[] = array('move' => $legalmove, 'fen' => $renderFen, 'result' => $result);
$standard->resetGame($fen);
}
}
} else {
$legalmove = $standard->_convertSquareToSAN($sq, $m);
$parseMove = $standard->_parseMove($legalmove);
$validMove = $standard->_validMove($parseMove);
if ($validMove === true) {
$standard->resetGame($fen);
$standard->moveSAN($legalmove);
$renderFen = $standard->renderFen();
$result = '';
if ($standard->inCheckMate()) {
$result = '#';
} else {
if ($standard->inRepetitionDraw()) {
$result = ' Draw in Repetition';
} else {
if ($standard->inStaleMate()) {
$result = ' Stalemate Draw';
} else {
if ($standard->inDraw()) {
$result = ' Draw';
} else {
if ($standard->gameOver()) {
$result = '#';
}
}
}
}
}
$list[] = array('move' => $legalmove, 'fen' => $renderFen, 'result' => $result);
$standard->resetGame($fen);
}
}
}
}
}
}
return $list;
}
function getlegalmoves($standard)
{
global $promotepiece;
$toMove = $standard->toMove();
if ($standard->gameOver()) {
return array('success' => 1, 'result' => $standard->gameOver());
}
if ($standard->inCheckMate()) {
return array('success' => 1, 'result' => oppositewins($toMove));
}
if ($standard->inDraw()) {
return array('success' => 1, 'result' => 3);
}
if ($standard->inStaleMate()) {
return array('success' => 1, 'result' => 4);
}
if ($standard->inRepetitionDraw()) {
return array('success' => 1, 'result' => 5);
}
$ploc = $standard->getPieceLocations($toMove);
$toArray = $standard->toArray();
$newloc = array();
if ($ploc) {
foreach ($ploc as $loc) {
$newloc[$loc] = $toArray[$loc];
}
}
$list = array();
if (empty($newloc)) {
return false;
} else {
foreach ($newloc as $sq => $loc) {
$move = $standard->getPossibleMoves(strtoupper($loc), $sq, $toMove, true);
if (!empty($move)) {
foreach ($move as $m) {
$promotemove = 0;
if (strtoupper($loc) == 'P') {
$promotemove = $standard->isPromoteMove($sq, $m);
}
if (!empty($promotemove)) {
foreach ($promotepiece as $piece) {
$legalmove = $standard->_convertSquareToSAN($sq, $m, $piece);
$parseMove = $standard->_parseMove($legalmove);
$validMove = $standard->_validMove($parseMove);
if ($validMove === true) {
$list[] = $legalmove;
}
}
} else {
$legalmove = $standard->_convertSquareToSAN($sq, $m);
$parseMove = $standard->_parseMove($legalmove);
$validMove = $standard->_validMove($parseMove);
if ($validMove === true) {
$list[] = $legalmove;
}
}
}
}
}
}
return $list;
}