Unbeatable Tic-Tac-Toe

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

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Warning: DOMDocument::load(): attributes construct error in /usr/local/www/apache24/data/tictactoe/games.xml, line: 16543 in /usr/local/www/apache24/data/tictactoe/index.php on line 36

Warning: DOMDocument::load(): Couldn't find end of Start Tag game line 16543 in /usr/local/www/apache24/data/tictactoe/games.xml, line: 16543 in /usr/local/www/apache24/data/tictactoe/index.php on line 36

Warning: DOMDocument::load(): Premature end of data in tag tictactoe line 2 in /usr/local/www/apache24/data/tictactoe/games.xml, line: 16543 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('t8085', 'moves', 'OX__O__X_') #1 /usr/local/www/apache24/data/tictactoe/index.php(334): generate('OX__O__X_', 't8085') #2 {main} thrown in /usr/local/www/apache24/data/tictactoe/index.php on line 38