Kyle Problem

gistfile1.php

<?php 
  $types = explode( ",", $_GET['types'] );
  foreach( $workoutmoves AS $workoutmove ): 
?>
<li>
    <input class="check_box" type="checkbox" <?php in_array( $workoutmove->slug, $types )  ? 'checked' : ''; ?> value="<?php echo $workoutmove->slug; ?>"> <?php echo $workoutmove->name; ?>
</li>
<?php endforeach; ?>