Unbeatable Tic-Tac-Toe

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

Warning: DOMDocument::load(): expected '>' in /usr/local/www/apache24/data/tictactoe/games.xml, line: 19464 in /usr/local/www/apache24/data/tictactoe/index.php on line 36

Warning: DOMDocument::load(): Opening and ending tag mismatch: moves line 19464 and mo in /usr/local/www/apache24/data/tictactoe/games.xml, line: 19464 in /usr/local/www/apache24/data/tictactoe/index.php on line 36

Warning: DOMDocument::load(): Premature end of data in tag game line 19463 in /usr/local/www/apache24/data/tictactoe/games.xml, line: 19464 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('t8234', 'moves', '_OXXO__XO') #1 /usr/local/www/apache24/data/tictactoe/index.php(334): generate('_OXXO__XO', 't8234') #2 {main} thrown in /usr/local/www/apache24/data/tictactoe/index.php on line 38