01 <?php
02
03 echo '
04 <p>
05 the page which lead you here is:<br />
06 '.(!empty($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : 'not available').'
07 </p>';
08
09 ?>
this will display the website address the visitor came from.
please
note that these referer headers can be spoofed and/or turned off.
relying on these to do a critical task is asking for trouble.
01 <?php
02
03 echo '
04 <p>
05 the page which lead you here is:<br />
06 '.(!empty($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : 'not available').'
07 </p>';
08
09 ?>