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 mov line 7688 in /usr/local/www/apache24/data/tictactoe/games.xml, line: 7688 in /usr/local/www/apache24/data/tictactoe/index.php on line 36

Warning: DOMDocument::load(): Premature end of data in tag game line 7687 in /usr/local/www/apache24/data/tictactoe/games.xml, line: 7688 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('t6563', 'moves', 'X_OXO_O_X') #1 /usr/local/www/apache24/data/tictactoe/index.php(334): generate('X_OXO_O_X', 't6563') #2 {main} thrown in /usr/local/www/apache24/data/tictactoe/index.php on line 38