Unbeatable Tic-Tac-Toe

Select	Select	O
Select	O	X
X	X	O

Warning: DOMDocument::load(): Premature end of data in tag tictactoe line 2 in /usr/local/www/apache24/data/tictactoe/games.xml, line: 6642 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('t3157', 'moves', '__O_OXXXO') #1 /usr/local/www/apache24/data/tictactoe/index.php(334): generate('__O_OXXXO', 't3157') #2 {main} thrown in /usr/local/www/apache24/data/tictactoe/index.php on line 38