Unbeatable Tic-Tac-Toe

New Game
Player 2 Wins
X O
X O
O X

Warning: DOMDocument::load(): Couldn't find end of Start Tag game line 3339 in /usr/local/www/apache24/data/tictactoe/games.xml, line: 3339 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: 3339 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('t7913', 'moves', 'XO_XO__OX') #1 /usr/local/www/apache24/data/tictactoe/index.php(334): generate('XO_XO__OX', 't7913') #2 {main} thrown in /usr/local/www/apache24/data/tictactoe/index.php on line 38