Unbeatable Tic-Tac-Toe

O	X
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X		O

Warning: DOMDocument::load(): Document is empty in /usr/local/www/apache24/data/tictactoe/games.xml, line: 1 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('t1594', 'moves', 'OX__OXX_O') #1 /usr/local/www/apache24/data/tictactoe/index.php(334): generate('OX__OXX_O', 't1594') #2 {main} thrown in /usr/local/www/apache24/data/tictactoe/index.php on line 38