Unbeatable Tic-Tac-Toe

O	X	X
X	O	O
O	X	X

Warning: DOMDocument::load(): Couldn't find end of Start Tag game line 6671 in /usr/local/www/apache24/data/tictactoe/games.xml, line: 6671 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: 6671 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('t2405', 'moves', 'OXXXOOOXX') #1 /usr/local/www/apache24/data/tictactoe/index.php(334): generate('OXXXOOOXX', 't2405') #2 {main} thrown in /usr/local/www/apache24/data/tictactoe/index.php on line 38