PHP/Utility Function/ob start

Buffering output

   <source lang="html4strict">

<?php ob_start(); ?> I haven"t decided if I want to send a cookie yet. <?php setcookie("heron","great blue"); ?> Yes, sending that cookie was the right decision. <?php ob_end_flush(); ?>

 </source>
   
  

Using a callback with ob_start()

   <source lang="html4strict">

<?php function mangle_email($s) {

   return preg_replace("/([^@\s]+)@([-a-z0-9]+\.)+[a-z]{2,}/is",
                       "<$1@...>",
                       $s);

} ob_start("mangle_email"); ?> I would not like spam sent to ronald@example.ru! <?php ob_end_flush(); ?>

 </source>