Unbeatable Tic-Tac-Toe

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

Warning: DOMDocument::load(): Couldn't find end of Start Tag moves line 10604 in /usr/local/www/apache24/data/tictactoe/games.xml, line: 10604 in /usr/local/www/apache24/data/tictactoe/index.php on line 36

Warning: DOMDocument::load(): Premature end of data in tag game line 10603 in /usr/local/www/apache24/data/tictactoe/games.xml, line: 10604 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('t8058', 'moves', 'O_XXOOX__') #1 /usr/local/www/apache24/data/tictactoe/index.php(334): generate('O_XXOOX__', 't8058') #2 {main} thrown in /usr/local/www/apache24/data/tictactoe/index.php on line 38