Unbeatable Tic-Tac-Toe

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

Warning: DOMDocument::load(): Premature end of data in tag game line 7379 in /usr/local/www/apache24/data/tictactoe/games.xml, line: 7380 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('t6617', 'moves', 'XX_XO_O_O') #1 /usr/local/www/apache24/data/tictactoe/index.php(334): generate('XX_XO_O_O', 't6617') #2 {main} thrown in /usr/local/www/apache24/data/tictactoe/index.php on line 38