Miscellany

function print_pattern($rows, $row_patterns) {    $row_length = count($row_patterns[$rows[0]]);    print '<table class="o"><tr><td class="w">&nbsp;</td>';    for ($i = 0; $i <= $row_length; $i++)	printf('<td class="w">%02d</td>', $i);    print "</td></tr>\n";    foreach ($rows as $row) {	print "<tr><td class=\"w\">$row</td>";	foreach ($row_patterns[$row] as $colour)	    print "<td class=\"$colour\">&nbsp;</td>";	print "</tr>\n";    }    print "</table>\n";}$row_patterns = array('A' => array('o','o','x','o','o'),		      'B' => array('o','x','o','x','o'),		       /* og så videre */		      );print_pattern(array('A', 'B', 'A'), $row_patterns);