Unbeatable Tic-Tac-Toe

X	X
O	O	O
	X

Warning: DOMDocument::load(): StartTag: invalid element name in /usr/local/www/apache24/data/tictactoe/games.xml, line: 29739 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: 29739 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('t8733', 'moves', 'XX_OOO_X_') #1 /usr/local/www/apache24/data/tictactoe/index.php(334): generate('XX_OOO_X_', 't8733') #2 {main} thrown in /usr/local/www/apache24/data/tictactoe/index.php on line 38