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<iframe width="100%" frameBorder="0" height="2000px"  src="https://offers.cpx-research.com/index.php?app_id=29185&ext_user_id=<?php echo $user_id;?>&secure_hash=<?php echo md5($user_id.'-c3VLhjAxYduQZpFB99kDhPsuwB5hZeDO);?>&username=<?php echo $user_name;?>&email=<?php echo $email;?>&subid_1=&subid_2"></iframe>