Unbeatable Tic-Tac-Toe

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

Warning: DOMDocument::load(): Premature end of data in tag game line 20639 in /usr/local/www/apache24/data/tictactoe/games.xml, line: 20641 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('t9895', 'moves', 'XOXXOOO_X') #1 /usr/local/www/apache24/data/tictactoe/index.php(334): generate('XOXXOOO_X', 't9895') #2 {main} thrown in /usr/local/www/apache24/data/tictactoe/index.php on line 38