Support » Fixing WordPress » Themeing the Backend Help

  • I have been asked to change the appearance of the backend pages regarding creating/editing new posts.

    This affects the following files.. (as far as I can tell)


    I have been able to successfully “theme” or style these pages to reflect the front end design. Now here is my problem:

    Whenever a user views the “post-new.php” page or “edit.php”, they are able to do whatever they need (i.e. make a new post, or edit an existing post). Upon clicking “update post” from the edit.php page, or upon clicking “submit” from the post-new.php page they are redirected through post.php, which will typically show them their post and what they have just done or something similar. Instead however they are getting this error:

    Warning: Cannot modify header information - headers already sent by (output started at /public_html/toolbox/wp-admin/post.php:8) in /public_html/toolbox/wp-includes/pluggable.php on line 897

    (notwithstanding this error, their new post or edited post still takes effect and actually works)

    Typically I understand that this problem is usually a result of white space or something else being placed before the opening php tag.

    On the post.php, I expressed that this was a page that needed to be “themed” to reflect the front end. So naturally there is html before the <?php.

    What do I need to do to get around this?

    So ultimately..
    How can I theme the post-new.php and edit.php page to reflect the frontend?


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  • Moderator Kathryn


    Automattic Happiness Engineer

    May I make an alternate suggestion? When you “hack the core” as you’re doing, your changes will be overwritten every time you upgrade WordPress. This is generally a pain in the neck and really to be avoided.

    Instead of editing core files, would you consider creating your own plug-in that lets you change the appearance of the admin side? Otto gives an example (referring to 3.2, but applicable in concept to 3.1) of how to do that here:

    WordPress 3.2 Beta Admin Tweak

Viewing 1 replies (of 1 total)
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