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[resolved] Warning: Cannot modify header information (4 posts)

  1. avermat
    Member
    Posted 6 years ago #

    Ever since I installed a new theme "Newsflash" I've been getting these errors. I cannot even logout of wordpress or publish posts.

    I tried deactivating all plugins and that didn't work.

    Here is the warning when I try to access my feed:
    Warning: Cannot modify header information - headers already sent by (output started at /hsphere/local/home/avermat/musicdaily.org/wp-content/themes/newsflash/functions.php:11) in /hsphere/local/home/avermat/musicdaily.org/wp-includes/feed-rss2.php on line 2

    Here is that file:

    <?php
    header('Content-Type: text/xml; charset=' . get_option('blog_charset'), true);
    $more = 1;

    ?>
    <?php echo '<?xml version="1.0" encoding="'.get_option('blog_charset').'"?'.'>'; ?>

    <!-- generator="wordpress/<?php bloginfo_rss('version') ?>" -->
    <rss version="2.0"
    xmlns:content="http://purl.org/rss/1.0/modules/content/"
    xmlns:wfw="http://wellformedweb.org/CommentAPI/"
    xmlns:dc="http://purl.org/dc/elements/1.1/"
    <?php do_action('rss2_ns'); ?>
    >

    <channel>
    <title><?php bloginfo_rss('name'); wp_title_rss(); ?></title>
    <link><?php bloginfo_rss('url') ?></link>
    <description><?php bloginfo_rss("description") ?></description>
    <pubDate><?php echo mysql2date('D, d M Y H:i:s +0000', get_lastpostmodified('GMT'), false); ?></pubDate>
    <generator>http://wordpress.org/?v=<?php bloginfo_rss('version'); ?></generator>
    <language><?php echo get_option('rss_language'); ?></language>
    <?php do_action('rss2_head'); ?>
    <?php while( have_posts()) : the_post(); ?>
    <item>
    <title><?php the_title_rss() ?></title>
    <link><?php the_permalink_rss() ?></link>
    <comments><?php comments_link(); ?></comments>
    <pubDate><?php echo mysql2date('D, d M Y H:i:s +0000', get_post_time('Y-m-d H:i:s', true), false); ?></pubDate>
    <dc:creator><?php the_author() ?></dc:creator>
    <?php the_category_rss() ?>

    <guid isPermaLink="false"><?php the_guid(); ?></guid>
    <?php if (get_option('rss_use_excerpt')) : ?>
    <description><![CDATA[<?php the_excerpt_rss() ?>]]></description>
    <?php else : ?>
    <description><![CDATA[<?php the_excerpt_rss() ?>]]></description>
    <?php if ( strlen( $post->post_content ) > 0 ) : ?>
    <content:encoded><![CDATA[<?php the_content() ?>]]></content:encoded>
    <?php else : ?>
    <content:encoded><![CDATA[<?php the_excerpt_rss() ?>]]></content:encoded>
    <?php endif; ?>
    <?php endif; ?>
    <wfw:commentRss><?php echo comments_rss(); ?></wfw:commentRss>
    <?php rss_enclosure(); ?>
    <?php do_action('rss2_item'); ?>
    </item>
    <?php endwhile; ?>
    </channel>
    </rss>

    These are the warnings I get when I try to logout of WordPress:

    Warning: Cannot modify header information - headers already sent by (output started at /hsphere/local/home/avermat/musicdaily.org/wp-content/themes/newsflash/functions.php:11) in /hsphere/local/home/avermat/musicdaily.org/wp-login.php on line 12

    Warning: Cannot modify header information - headers already sent by (output started at /hsphere/local/home/avermat/musicdaily.org/wp-content/themes/newsflash/functions.php:11) in /hsphere/local/home/avermat/musicdaily.org/wp-login.php on line 24

    Warning: Cannot modify header information - headers already sent by (output started at /hsphere/local/home/avermat/musicdaily.org/wp-content/themes/newsflash/functions.php:11) in /hsphere/local/home/avermat/musicdaily.org/wp-includes/pluggable.php on line 492

    Warning: Cannot modify header information - headers already sent by (output started at /hsphere/local/home/avermat/musicdaily.org/wp-content/themes/newsflash/functions.php:11) in /hsphere/local/home/avermat/musicdaily.org/wp-includes/pluggable.php on line 493

    Warning: Cannot modify header information - headers already sent by (output started at /hsphere/local/home/avermat/musicdaily.org/wp-content/themes/newsflash/functions.php:11) in /hsphere/local/home/avermat/musicdaily.org/wp-includes/pluggable.php on line 494

    Warning: Cannot modify header information - headers already sent by (output started at /hsphere/local/home/avermat/musicdaily.org/wp-content/themes/newsflash/functions.php:11) in /hsphere/local/home/avermat/musicdaily.org/wp-includes/pluggable.php on line 495

    Warning: Cannot modify header information - headers already sent by (output started at /hsphere/local/home/avermat/musicdaily.org/wp-content/themes/newsflash/functions.php:11) in /hsphere/local/home/avermat/musicdaily.org/wp-includes/pluggable.php on line 391

    I've been reading all kinds of posts from people with the same problems but I can't seem to find what's wrong.

    -Matt

  2. DigTheDupe
    Member
    Posted 6 years ago #

    Warning: Cannot modify header information - headers already sent by (output started at /home/gasn/public_html/esio.com/wp-content/themes/illacrimo/functions.php:24) in /home/gaun/public_html/ed.com/wp-includes/pluggable.php on line 391

    For me. What is the problem?

  3. whooami
    Member
    Posted 6 years ago #

    look at this file:

    /home/gasn/public_html/esio.com/wp-content/themes/illacrimo/functions.php

    make sure there are NO space or linebreaks after the closing ?>

  4. brogator
    Member
    Posted 6 years ago #

    remove the empty line 1 in index.php

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