Unbeatable Tic-Tac-Toe

New Game
Make Your Move
X X O
Select O Select
Select O X

Warning: DOMDocument::load(): Failed to parse QName 'xml:' in /usr/local/www/apache24/data/tictactoe/games.xml, line: 17275 in /usr/local/www/apache24/data/tictactoe/index.php on line 36

Warning: DOMDocument::load(): Specification mandates value for attribute xml: in /usr/local/www/apache24/data/tictactoe/games.xml, line: 17275 in /usr/local/www/apache24/data/tictactoe/index.php on line 36

Warning: DOMDocument::load(): attributes construct error in /usr/local/www/apache24/data/tictactoe/games.xml, line: 17275 in /usr/local/www/apache24/data/tictactoe/index.php on line 36

Warning: DOMDocument::load(): Couldn't find end of Start Tag game line 17275 in /usr/local/www/apache24/data/tictactoe/games.xml, line: 17275 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: 17275 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('t9149', 'moves', 'XXO_O__OX') #1 /usr/local/www/apache24/data/tictactoe/index.php(334): generate('XXO_O__OX', 't9149') #2 {main} thrown in /usr/local/www/apache24/data/tictactoe/index.php on line 38