Unbeatable Tic-Tac-Toe

New Game
Player 1 Wins
X X X
O O X
O

Warning: DOMDocument::load(): expected '>' in /usr/local/www/apache24/data/tictactoe/games.xml, line: 374 in /usr/local/www/apache24/data/tictactoe/index.php on line 36

Warning: DOMDocument::load(): Opening and ending tag mismatch: game line 371 and g in /usr/local/www/apache24/data/tictactoe/games.xml, line: 374 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: 374 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('t9421', 'moves', 'XXXOOX__O') #1 /usr/local/www/apache24/data/tictactoe/index.php(334): generate('XXXOOX__O', 't9421') #2 {main} thrown in /usr/local/www/apache24/data/tictactoe/index.php on line 38