i try to deactive my plugin,it's just show this message:
Warning: Cannot modify header information - headers already sent by (output started at C:\xampp\htdocs\Phone_Shop004_wordpress\wordpress\wp-content\plugins\gallery_ffic4hotel\gallery_hotel.php:1) in C:\xampp\htdocs\Phone_Shop004_wordpress\wordpress\wp-includes\pluggable.php on line 868 .please anyone help!
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i wanted to recommend ob_start too. most of the times it works, sometimes not. however, it is an excellent way to get rid of that message.
if it doesnt work, check your code. somewhere at the beginning of the page, there is a space in front of the <?php …
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