Title: PHP Warning: Cannot modify header information
Last modified: June 10, 2018

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# PHP Warning: Cannot modify header information

 *  [luismt74](https://wordpress.org/support/users/luismt74/)
 * (@luismt74)
 * [7 years, 10 months ago](https://wordpress.org/support/topic/php-warning-cannot-modify-header-information-2/)
 * Hello, after installing the plugin started to return this error. Is it possible
   to correct it?
 * `[10-Jun-2018 16:24:21 UTC] PHP Warning: Cannot modify header information - headers
   already sent by (output started at /home/mysite/public_html/wp-content/plugins/
   yoast-seo-search-index-purge/src/Yoast_Purge_Attachment_Page_Server.php:37) in/
   home/mysite/public_html/wp-includes/feed-rss2-comments.php on line 8`
 * Wordpress: 4.9.6
    Yoast SEO: 7.6.1
 * Regards

Viewing 4 replies - 1 through 4 (of 4 total)

 *  Thread Starter [luismt74](https://wordpress.org/support/users/luismt74/)
 * (@luismt74)
 * [7 years, 9 months ago](https://wordpress.org/support/topic/php-warning-cannot-modify-header-information-2/#post-10405781)
 * Without solution?
    Neither answer? Nothing?
 *  Thread Starter [luismt74](https://wordpress.org/support/users/luismt74/)
 * (@luismt74)
 * [7 years, 9 months ago](https://wordpress.org/support/topic/php-warning-cannot-modify-header-information-2/#post-10471106)
 * I still have the same problem:
 *     ```
       [06-Jul-2018 15:25:28 UTC] PHP Warning:  Cannot modify header information - headers already sent by (output started at /home/mysite/public_html/wp-content/plugins/yoast-seo-search-index-purge/src/Yoast_Purge_Attachment_Page_Server.php:46) in /home/mysite/public_html/wp-includes/feed-rss2-comments.php on line 8
       [06-Jul-2018 18:53:42 UTC] PHP Warning:  Cannot modify header information - headers already sent by (output started at /home/mysite/public_html/wp-content/plugins/yoast-seo-search-index-purge/src/Yoast_Purge_Attachment_Page_Server.php:46) in /home/mysite/public_html/wp-includes/feed-rss2-comments.php on line 8
       [06-Jul-2018 21:53:57 UTC] PHP Warning:  Cannot modify header information - headers already sent by (output started at /home/mysite/public_html/wp-content/plugins/yoast-seo-search-index-purge/src/Yoast_Purge_Attachment_Page_Server.php:46) in /home/mysite/public_html/wp-includes/feed-rss2-comments.php on line 8
       [06-Jul-2018 23:38:23 UTC] PHP Warning:  Cannot modify header information - headers already sent by (output started at /home/mysite/public_html/wp-content/plugins/yoast-seo-search-index-purge/src/Yoast_Purge_Attachment_Page_Server.php:46) in /home/mysite/public_html/wp-includes/feed-rss2-comments.php on line 8
       ```
   
 * WordPress: 4.9.7
    Yoast SEO: 7.7.3 Yoast SEO: Search index purge: 1.1.0
    -  This reply was modified 7 years, 9 months ago by [luismt74](https://wordpress.org/support/users/luismt74/).
    -  This reply was modified 7 years, 9 months ago by [luismt74](https://wordpress.org/support/users/luismt74/).
 *  [1066geoff](https://wordpress.org/support/users/1066geoff/)
 * (@1066geoff)
 * [7 years, 7 months ago](https://wordpress.org/support/topic/php-warning-cannot-modify-header-information-2/#post-10583811)
 * Same errors in logs here. Has anyone found a solution yet?
 *  [BlogAid](https://wordpress.org/support/users/blogaid/)
 * (@blogaid)
 * [7 years, 2 months ago](https://wordpress.org/support/topic/php-warning-cannot-modify-header-information-2/#post-11096953)
 * Working on a client site and see this same error firing multiple times a day,
   every day, in the PHP error log file since the plugin was installed.
 * The site was recently updated from PHP 5.6 to PHP 7.2. Didn’t help.

Viewing 4 replies - 1 through 4 (of 4 total)

The topic ‘PHP Warning: Cannot modify header information’ is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/yoast-seo-search-index-purge_9e7baf.
   svg)
 * [Yoast SEO: Search Index Purge](https://wordpress.org/plugins/yoast-seo-search-index-purge/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/yoast-seo-search-index-purge/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/yoast-seo-search-index-purge/)
 * [Active Topics](https://wordpress.org/support/plugin/yoast-seo-search-index-purge/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/yoast-seo-search-index-purge/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/yoast-seo-search-index-purge/reviews/)

## Tags

 * [header information](https://wordpress.org/support/topic-tag/header-information/)
 * [Yoast](https://wordpress.org/support/topic-tag/yoast/)

 * 4 replies
 * 3 participants
 * Last reply from: [BlogAid](https://wordpress.org/support/users/blogaid/)
 * Last activity: [7 years, 2 months ago](https://wordpress.org/support/topic/php-warning-cannot-modify-header-information-2/#post-11096953)
 * Status: not resolved