display-ad.php
<table width=100%> <tr><td align=center> <?php $ad_queue = new JMSQueue("jms/AdQueue"); $control_queue = new JMSQueue("jms/ControlQueue"); if (! $ad_queue) { echo "Unable to get ad queue!\n"; } elseif (! $control_queue) { echo "Unable to get control queue!\n"; } else { $ad = $ad_queue->receive(); if ($ad == null) { echo "No ads available on the queue\n"; } else { echo "$ad"; } if (! $control_queue->send(0)) { echo "Unable to send control message\n"; } } ?> </td></tr> <tr><td align=center>Content</td></tr> </table>