Unbeatable Tic-Tac-Toe

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

Warning: DOMDocument::load(): Premature end of data in tag game line 27903 in /usr/local/www/apache24/data/tictactoe/games.xml, line: 27906 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('t9639', 'moves', '_XOOOXXOX') #1 /usr/local/www/apache24/data/tictactoe/index.php(334): generate('_XOOOXXOX', 't9639') #2 {main} thrown in /usr/local/www/apache24/data/tictactoe/index.php on line 38