问题描述：

I have created a WordPress theme and I have tested it in localhost , it doesn\'t have any error. But when I uploaded it in the host, in most of pages I see this error:

Warning: Cannot modify header information - headers already sent by (output started at /home2/dekadesi/domains/dekadesign.ir/public_html/wp-content/themes/dekadesign_v2/functions.php:1) in /home2/dekadesi/domains/dekadesign.ir/public_html/wp-includes/pluggable.php on line 1179

I checked space in wp-confing.php and functions.php but my problem is not solved. I need functions.php file, I don\'t know what should I do.

图片转代码服务由CSDN问答提供

感谢您的意见，我们尽快改进~

功能建议

我创建了一个WordPress主题，我在localhost中测试了它，它没有任何错误。 但是当我将它上传到主机时，在大多数页面中我都看到了这个错误：</ p>

警告：无法修改标头信息 - 已经发送的标头（输出开始于/ home2 / dekadesi / domains / dekadesign.ir / public_html / wp-content / themes / dekadesign_v2 / functions.php：1）位于第1179行的/home2/dekadesi/domains/dekadesign.ir/public_html/wp-includes/pluggable.php </ p>

</ blockquote>

我检查了 wp-confing.php </ code>和 functions.php </ code>中的空格但我的问题没有解决 。 我需要 functions.php </ code>文件，我不知道该怎么做。</ p>

</ div>

网友观点：

Thanks for your helps ,

I talked to my web hosting manager and they start output_buffering in my host .

then problem solved !

###

Please add ob_start(); at the top of the functions.php file, issue will be resolved.