Unbeatable Tic-Tac-Toe

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

Warning: DOMDocument::load(): expected '>' in /usr/local/www/apache24/data/tictactoe/games.xml, line: 27170 in /usr/local/www/apache24/data/tictactoe/index.php on line 36

Warning: DOMDocument::load(): Opening and ending tag mismatch: game line 27167 and unparsable in /usr/local/www/apache24/data/tictactoe/games.xml, line: 27170 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: 27170 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('t8061', 'moves', '_O_XO___X') #1 /usr/local/www/apache24/data/tictactoe/index.php(334): generate('_O_XO___X', 't8061') #2 {main} thrown in /usr/local/www/apache24/data/tictactoe/index.php on line 38