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Cannot modify header information - headers already sent by (output started at /data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/wp-includes/functions.php:6114) (500 Internal Server Error)

Symfony Exception

Symfony Docs

ErrorException

HTTP 500 Internal Server Error

Cannot modify header information - headers already sent by (output started at /data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/wp-includes/functions.php:6114)

Exception

ErrorException

in /data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/wp-includes/pluggable.php (line 1435)
  1.          * @param int          $status        Status code to use.
  2.          * @param string       $location      The path to redirect to.
  3.          */
  4.         $x_redirect_by = apply_filters( 'x_redirect_by', $x_redirect_by, $status, $location );
  5.         if ( is_string( $x_redirect_by ) ) {
  6.             header( "X-Redirect-By: $x_redirect_by" );
  7.         }
  9.         header( "Location: $location", true, $status );
  11.         return true;
in /data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/wp-content/themes/kingwolfTheme/vendor/roots/acorn/src/Roots/Acorn/Bootstrap/HandleExceptions.php -> handleError (line 54)
  1.      * @throws \ErrorException
  2.      */
  3.     public function handleError($level, $message, $file = '', $line = 0, $context = [])
  4.     {
  5.         try {
  6.             parent::handleError($level, $message, $file, $line, $context);
  7.         } catch (Throwable $e) {
  8.             if (! apply_filters('acorn/throw_error_exception', true, $e)) {
  9.                 return false;
  10.             }
HandleExceptions->handleError(2, 'Cannot modify header information - headers already sent by (output started at /data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/wp-includes/functions.php:6114)', '/data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/wp-includes/pluggable.php', 1435)
header('X-Redirect-By: WordPress') in /data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/wp-includes/pluggable.php (line 1435)
  1.          * @param int          $status        Status code to use.
  2.          * @param string       $location      The path to redirect to.
  3.          */
  4.         $x_redirect_by = apply_filters( 'x_redirect_by', $x_redirect_by, $status, $location );
  5.         if ( is_string( $x_redirect_by ) ) {
  6.             header( "X-Redirect-By: $x_redirect_by" );
  7.         }
  9.         header( "Location: $location", true, $status );
  11.         return true;
wp_redirect('https://www.kingwolf.cz/', 301) in /data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/wp-includes/canonical.php (line 831)
  1.     }
  3.     if ( $do_redirect ) {
  4.         // Protect against chained redirects.
  5.         if ( ! redirect_canonical( $redirect_url, false ) ) {
  6.             wp_redirect( $redirect_url, 301 );
  7.             exit;
  8.         } else {
  9.             // Debug.
  10.             // die("1: $redirect_url<br />2: " . redirect_canonical( $redirect_url, false ) );
  11.             return;
redirect_canonical('https://kingwolf.cz/') in /data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/wp-includes/class-wp-hook.php (line 324)
  2.                 // Avoid the array_slice() if possible.
  3.                 if ( 0 === $the_['accepted_args'] ) {
  4.                     $value = call_user_func( $the_['function'] );
  5.                 } elseif ( $the_['accepted_args'] >= $num_args ) {
  6.                     $value = call_user_func_array( $the_['function'], $args );
  7.                 } else {
  8.                     $value = call_user_func_array( $the_['function'], array_slice( $args, 0, $the_['accepted_args'] ) );
  9.                 }
  10.             }
  11.         } while ( false !== next( $this->iterations[ $nesting_level ] ) );
WP_Hook->apply_filters(null, array('')) in /data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/wp-includes/class-wp-hook.php (line 348)
  1.      *
  2.      * @param array $args Parameters to pass to the callback functions.
  3.      */
  4.     public function do_action( $args ) {
  5.         $this->doing_action = true;
  6.         $this->apply_filters( '', $args );
  8.         // If there are recursive calls to the current action, we haven't finished it until we get to the last one.
  9.         if ( ! $this->nesting_level ) {
  10.             $this->doing_action = false;
  11.         }
WP_Hook->do_action(array('')) in /data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/wp-includes/plugin.php (line 517)
  1.     } elseif ( is_array( $arg[0] ) && 1 === count( $arg[0] ) && isset( $arg[0][0] ) && is_object( $arg[0][0] ) ) {
  2.         // Backward compatibility for PHP4-style passing of `array( &$this )` as action `$arg`.
  3.         $arg[0] = $arg[0][0];
  4.     }
  6.     $wp_filter[ $hook_name ]->do_action( $arg );
  8.     array_pop( $wp_current_filter );
  9. }
  11. /**
do_action('template_redirect') in /data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/wp-includes/template-loader.php (line 13)
  1.     /**
  2.      * Fires before determining which template to load.
  3.      *
  4.      * @since 1.5.0
  5.      */
  6.     do_action( 'template_redirect' );
  7. }
  9. /**
  10.  * Filters whether to allow 'HEAD' requests to generate content.
  11.  *
require_once('/data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/wp-includes/template-loader.php') in /data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/wp-blog-header.php (line 19)
  2.     // Set up the WordPress query.
  3.     wp();
  5.     // Load the theme template.
  6.     require_once ABSPATH . WPINC . '/template-loader.php';
  8. }
require('/data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/wp-blog-header.php') in /data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/index.php (line 17)
  1.  * @var bool
  2.  */
  3. define( 'WP_USE_THEMES', true );
  5. /** Loads the WordPress Environment and Template */
  6. require __DIR__ . '/wp-blog-header.php';

Stack Trace

ErrorException 
ErrorException:
Cannot modify header information - headers already sent by (output started at /data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/wp-includes/functions.php:6114)

  at /data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/wp-includes/pluggable.php:1435
  at Illuminate\Foundation\Bootstrap\HandleExceptions->handleError(2, 'Cannot modify header information - headers already sent by (output started at /data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/wp-includes/functions.php:6114)', '/data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/wp-includes/pluggable.php', 1435, array())
     (/data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/wp-content/themes/kingwolfTheme/vendor/roots/acorn/src/Roots/Acorn/Bootstrap/HandleExceptions.php:54)
  at Roots\Acorn\Bootstrap\HandleExceptions->handleError(2, 'Cannot modify header information - headers already sent by (output started at /data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/wp-includes/functions.php:6114)', '/data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/wp-includes/pluggable.php', 1435)
  at header('X-Redirect-By: WordPress')
     (/data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/wp-includes/pluggable.php:1435)
  at wp_redirect('https://www.kingwolf.cz/', 301)
     (/data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/wp-includes/canonical.php:831)
  at redirect_canonical('https://kingwolf.cz/')
     (/data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/wp-includes/class-wp-hook.php:324)
  at WP_Hook->apply_filters(null, array(''))
     (/data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/wp-includes/class-wp-hook.php:348)
  at WP_Hook->do_action(array(''))
     (/data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/wp-includes/plugin.php:517)
  at do_action('template_redirect')
     (/data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/wp-includes/template-loader.php:13)
  at require_once('/data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/wp-includes/template-loader.php')
     (/data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/wp-blog-header.php:19)
  at require('/data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/wp-blog-header.php')
     (/data/web/virtuals/313777/virtual/www/domains/kingwolf.cz/index.php:17)