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I get a headers already sent error?


Sometimes you might see an error message starting with:

Warning: Cannot modify header information - headers already sent

This is often caused by a blank space or an extra line at the beginning or end of the file. Open the file mentioned and remove any extra spaces or lines before the first <?php tag and after the closing ?> tag.

If you can't see any blank spaces or lines before the first <?php tag, it's possible that whatever editor you are using to edit the file is inserting a BOM (Byte Order Mark) at the beginning of the file and this would be invisible to you or me. If you open the file in a source code editor like Notepad++, click 'Encoding' from the menu and select 'Convert to UTF-8 without BOM' then this may fix it.

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Article details
Article ID: 30
Category: Server
Date added: 2011-08-25 21:59:33
Views: 1691
Rating (Votes): Article rated 3.2/5.0 (25)

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