PHP code example of onspli / chess

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

onspli / chess example snippets

 php
$fen = new Onspli\Chess\FEN;
echo($fen->export());
// rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1
echo($fen->export_short());
// rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq -
echo($fen->get_board());
// rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR
echo($fen->get_active_color());
// w
echo($fen->get_castling());
// KQkq
echo($fen->get_en_passant());
// -
echo($fen->get_halfmove());
// 0
echo($fen->get_fullmove());
// 1
echo($fen->preview());
/*
rnbqkbnr
pppppppp
........
........
........
........
PPPPPPPP
RNBQKBNR
*/

 php
$fen = new Onspli\Chess\FEN('rnbqkbnr/pp1ppppp/8/2p5/4P3/8/PPPP1PPP/RNBQKBNR b KQq c6 1 2');
echo($fen->export());
// rnbqkbnr/pp1ppppp/8/2p5/4P3/8/PPPP1PPP/RNBQKBNR b KQq c6 1 2
echo($fen->export_short());
// rnbqkbnr/pp1ppppp/8/2p5/4P3/8/PPPP1PPP/RNBQKBNR b KQq c6
echo($fen->get_board());
// rnbqkbnr/pp1ppppp/8/2p5/4P3/8/PPPP1PPP/RNBQKBNR
echo($fen->get_active_color());
// b
echo($fen->get_castling());
// KQq
echo($fen->get_en_passant());
// c6
echo($fen->get_halfmove());
// 1
echo($fen->get_fullmove());
// 2
echo($fen->preview());
/*
rnbqkbnr
pp.ppppp
........
..p.....
....P...
........
PPPP.PPP
RNBQKBNR
*/

 php
$fen = new Onspli\Chess\FEN;
echo($fen->get_square('a1'));
// R
$fen->set_square('a1', '');
$fen->set_square('a3', 'R');
echo($fen->preview());
/*
rnbqkbnr
pppppppp
........
........
........
R.......
PPPPPPPP
.NBQKBNR
*/

 php
$fen = new Onspli\Chess\FEN;
echo($fen->export());
// rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1
$fen->set_board('rnbqkbnr/pp1ppppp/8/2p5/4P3/8/PPPP1PPP/RNBQKBNR');
$fen->set_active_color('b');
$fen->set_castling('KQq');
$fen->set_en_passant('c6');
$fen->set_halfmove(1);
$fen->set_fullmove(2);
echo($fen->export());
// rnbqkbnr/pp1ppppp/8/2p5/4P3/8/PPPP1PPP/RNBQKBNR b KQq c6 1 2
echo($fen->preview());
/*
rnbqkbnr
pp.ppppp
........
..p.....
....P...
........
PPPP.PPP
RNBQKBNR
*/

 php
$fen = new Onspli\Chess\FEN;
echo($fen->preview());
/*
rnbqkbnr
pppppppp
........
........
........
........
PPPPPPPP
RNBQKBNR
*/
$fen->move('e4');
$fen->move('g6');
$fen->move('Nf3');
$fen->move('Nf6');
$fen->move('Bc4');
$fen->move('Bg7');
$fen->move('O-O');
$fen->move('O-O');
echo($fen->preview());
/*
rnbq.rk.
ppppppbp
.....np.
........
..B.P...
.....N..
PPPP.PPP
RNBQ.RK.
*/
echo($fen->export());
// rnbq1rk1/ppppppbp/5np1/8/2B1P3/5N2/PPPP1PPP/RNBQ1RK1 w - - 6 5

 php
$fen = new Onspli\Chess\FEN;
$fen->set_active_color('w');
$fen->set_board('1q5k/8/8/8/8/8/8/K7');
$fen->set_castling('-');
echo($fen->is_check() ? 'true' : 'false');
// false
echo($fen->is_stalemate() ? 'true' : 'false');
// false
echo($fen->preview());
/*
.q.....k
........
........
........
........
........
........
K.......
*/
$fen->move('Ka2');
$fen->move('Qa8');
echo($fen->is_check() ? 'true' : 'false');
// true
echo($fen->is_mate() ? 'true' : 'false');
// false
echo($fen->preview());
/*
q......k
........
........
........
........
........
K.......
........
*/

 php
$pgn = new Onspli\Chess\PGN('[Event "Testing"] 1.Nf3 Nf6 2.c4 g6');
echo($pgn->get_tag('Event'));
// Testing
echo($pgn->get_halfmove(2));
// Nf6
echo($pgn->get_initial_halfmove_number());
// 1
echo($pgn->get_last_halfmove_number());
// 4

 php
$pgn = new Onspli\Chess\PGN('[Event "Testing"] 1.Nf3 Nf6 2.c4 g6');
$pgn->set_tag('Site', 'Github');
$pgn->move('a4');
$pgn->move('a5');
print_r($pgn->get_tags());
/*
Array
(
    [Event] => Testing
    [Site] => Github
)

*/
echo($pgn->export_tags());
/*
[Event "Testing"]
[Site "Github"]

*/
echo($pgn->export_movetext());
// 1. Nf3 Nf6 2. c4 g6 3. a4 a5
echo($pgn->export());
/*
[Event "Testing"]
[Site "Github"]
1. Nf3 Nf6 2. c4 g6 3. a4 a5
*/

 php
$pgn = new Onspli\Chess\PGN('1.Nf3 Nf6 2.c4 g6');
echo($pgn->get_current_fen());
// rnbqkb1r/pppppp1p/5np1/8/2P5/5N2/PP1PPPPP/RNBQKB1R w KQkq - 0 3
echo($pgn->get_initial_fen());
// rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1
echo($pgn->get_fen_after_halfmove(0));
// rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1
echo($pgn->get_fen_after_halfmove(2));
// rnbqkb1r/pppppppp/5n2/8/8/5N2/PPPPPPPP/RNBQKB1R w KQkq - 2 2
echo($pgn->get_fen_after_halfmove(Onspli\Chess\PGN::get_halfmove_number(1, 'b')));
// rnbqkb1r/pppppppp/5n2/8/8/5N2/PPPPPPPP/RNBQKB1R w KQkq - 2 2

 php
$pgn = new Onspli\Chess\PGN('1.Nf3 Nf6 2.c4 g6');
echo($pgn->get_current_fen(true)->preview());
/*
rnbqkb.r
pppppp.p
.....np.
........
..P.....
.....N..
PP.PPPPP
RNBQKB.R
*/
echo($pgn->get_fen_after_halfmove(2, true)->preview());
/*
rnbqkb.r
pppppppp
.....n..
........
........
.....N..
PPPPPPPP
RNBQKB.R
*/

 php
$pgn = new Onspli\Chess\PGN('[FEN "rnbqkb1r/pppp1ppp/5n2/4p3/2P1P3/5N2/PP1P1PPP/RNBQKB1R b KQkq - 0 3"] 3... Nc6 4. Qb3');
echo($pgn->get_initial_fen());
// rnbqkb1r/pppp1ppp/5n2/4p3/2P1P3/5N2/PP1P1PPP/RNBQKB1R b KQkq - 0 3
echo($pgn->get_initial_halfmove_number());
// 6
echo($pgn->get_halfmove(6));
// Nc6