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1. pucklitaay
   Member
   Posted 9 months ago #
   

   To add the sidebar in my twentyeleven theme I've added functions.php + single.php files to my twentyeleven-child theme. But now it gives the following error:

   Warning: Cannot modify header information - headers already sent by (output started at /home2/voiceact/public_html/oop/wp-content/themes/twentyeleven-child/functions.php:2) in /home2/voiceact/public_html/oop/wp-includes/pluggable.php on line 881

   My functions.php in the child theme:

   <?php
   function remove_twentyeleven_body_classes() {
       remove_filter( 'body_class', 'twentyeleven_body_classes' );
   }
   add_action( 'after_setup_theme', 'remove_twentyeleven_body_classes' );
   ?>

   My single.php in the child theme:

   <?php
   /**
    * The Template for displaying all single posts.
    *
    * @package WordPress
    * @subpackage Twenty_Eleven
    * @since Twenty Eleven 1.0
    */
   
   get_header(); ?>
   
   		<div id="primary">
   			<div id="content" role="main">
   
   				<?php while ( have_posts() ) : the_post(); ?>
   
   					<nav id="nav-single">
   						<h3 class="assistive-text"><?php _e( 'Post navigation', 'twentyeleven' ); ?></h3>
   						<span class="nav-previous"><?php previous_post_link( '%link', __( '<span class="meta-nav">&larr;</span> Previous', 'twentyeleven' ) ); ?></span>
   						<span class="nav-next"><?php next_post_link( '%link', __( 'Next <span class="meta-nav">&rarr;</span>', 'twentyeleven' ) ); ?></span>
   					</nav><!-- #nav-single -->
   
   					<?php get_template_part( 'content', 'single' ); ?>
   
   					<?php comments_template( '', true ); ?>
   
   				<?php endwhile; // end of the loop. ?>
   
   			</div><!-- #content -->
   		</div><!-- #primary -->
   
   <?php get_sidebar(); ?>
   <?php get_footer(); ?>

2. Doodlebee
   Member
   Posted 9 months ago #
   

   Delete he whitespace after the last ?> in your functions.php file.

   in fact, just delete the last ?> at the end of the file.

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