Unbeatable Tic-Tac-Toe

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

Warning: DOMDocument::load(): Premature end of data in tag ip line 11401 in /usr/local/www/apache24/data/tictactoe/games.xml, line: 11401 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('t9713', 'moves', 'O_XXOOOXX') #1 /usr/local/www/apache24/data/tictactoe/index.php(334): generate('O_XXOOOXX', 't9713') #2 {main} thrown in /usr/local/www/apache24/data/tictactoe/index.php on line 38