Algorithm: li article article li

gistfile1.php

<?php

	$length = count( $items );

	foreach( $items as $i => $item ) {
		if( $i % 2 == 0 ) echo '<li>';
		
			echo '<article> ... </article>';

		if( $length-1 == $i || ($i+1) % 2 == 0 )  echo '</li>';
	}
	
?>