Web2PDF not reading Javascript or Php values -

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i'm using web2pdf print few values pdf document. in html, these values show when i'm converting webpage pdf, these php/js values disappear. can fix this?

<html> <body>   <?php session_start();  $variable = $_session['getsessionvar'];  ?>  <span id = "name"><?php echo $variable ?></span>  <button id="cmd" ><a href ="http://www.web2pdfconvert.com/convert"> generate pdf </a></button>  ..tags closed.

when run script, variable value shown pdf converter not picking up. there wrong code? else, other web-to-pdf generator can use can pick php or js values written html?
thanks!

update - can't seem convert get/post or session variables in php script pdf though assign them html division. tried assigning php variable js , using

document.getelementbyid('id').innerhtml = "<?php echo #var_from_prev_page"?>";

however, can print , convert php variables create on page.

session,post , can't show in pdf.

the reason pretty simple actually.

the site using using reference of request "crawl" page

so session id diferent therefore can't have $_session loaded since never browsed site before, , don't post page since clicking on link , not sending them data send site.

the way acheive want have way change ref of request , add get clicking a link , have load variables in php script.

if want test actually, compare echo session_id(); output browser , pdf get.


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