Unbeatable Tic-Tac-Toe

New Game
Make Your Move
X X O
O O X
Select Select Select

Warning: DOMDocument::load(): Couldn't find end of Start Tag mov line 36684 in /usr/local/www/apache24/data/tictactoe/games.xml, line: 36684 in /usr/local/www/apache24/data/tictactoe/index.php on line 36

Warning: DOMDocument::load(): Premature end of data in tag game line 36683 in /usr/local/www/apache24/data/tictactoe/games.xml, line: 36684 in /usr/local/www/apache24/data/tictactoe/index.php on line 36

Fatal error: Uncaught Error: Call to a member function getElementsByTagName() on null in /usr/local/www/apache24/data/tictactoe/index.php:38 Stack trace: #0 /usr/local/www/apache24/data/tictactoe/index.php(113): update_element('t820', 'moves', 'XXOOOX___') #1 /usr/local/www/apache24/data/tictactoe/index.php(334): generate('XXOOOX___', 't820') #2 {main} thrown in /usr/local/www/apache24/data/tictactoe/index.php on line 38