The following works with PHP3 and used to work with PHP4.

You now get an endless loop :

<?php
$i = 10;
do {
   if ($i > 0) {
     echo $i . " is > 0 \n";
     continue;
   } else {
     echo $i . " is <= 0\n";
   }
} while (--$i > 0);
?>