here is my plugin's php code. when i m going activate or update post a warning message appears which is,
" Cannot modify header information - headers already sent by (output started at D:\Program Files\Apache Software Foundation\Apache2.2\htdocs\test_wordpress\wp-content\plugins\linkin\linkin.php:66) in D:\Program Files\Apache Software Foundation\Apache2.2\htdocs\test_wordpress\wp-includes\classes.php on line 1601".
if anybody have a solution plz send.
[code moderated] Please use a pastebin for posting large blocks of code in future.