Title: php warning Head
Last modified: November 10, 2019

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# php warning Head

 *  [hbrandes](https://wordpress.org/support/users/hbrandes/)
 * (@hbrandes)
 * [6 years, 5 months ago](https://wordpress.org/support/topic/php-warning-head/)
 * Hi I am getting the following error in my logs:
 * PHP Warning: Cannot modify header information – headers already sent in …/wp-
   content/plugins/postmatic-social-commenting/functions/Postmatic_Social_Comments_Session.
   php on line 28
 * Can anyone help?
 * Thanks in advance.
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fphp-warning-head%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

The topic ‘php warning Head’ is closed to new replies.

 * ![](https://ps.w.org/postmatic-social-commenting/assets/icon-256x256.png?rev=
   1280435)
 * [Postmatic Social Commenting](https://wordpress.org/plugins/postmatic-social-commenting/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/postmatic-social-commenting/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/postmatic-social-commenting/)
 * [Active Topics](https://wordpress.org/support/plugin/postmatic-social-commenting/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/postmatic-social-commenting/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/postmatic-social-commenting/reviews/)

## Tags

 * [Cannot modify header information](https://wordpress.org/support/topic-tag/cannot-modify-header-information/)
 * [headers](https://wordpress.org/support/topic-tag/headers/)

 * 0 replies
 * 1 participant
 * Last reply from: [hbrandes](https://wordpress.org/support/users/hbrandes/)
 * Last activity: [6 years, 5 months ago](https://wordpress.org/support/topic/php-warning-head/)
 * Status: not resolved