some

<table border="1">
<tr>

<?php
	$a=1;
	for($i=1;$i<=10;$i++) {
		echo "<td>";
		echo $a;
		echo "</td>";
		echo "<td>";
		echo $a;
		echo "</td>";
				if($a%1==0) {
					echo "</tr>";
					echo "<tr>";
				}
				$a++;
	
	}
?>
</tr>
</table>