Title: PHP Warning: Cannot modify header information
Last modified: June 11, 2021

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# PHP Warning: Cannot modify header information

 *  [joelmcdwebworks](https://wordpress.org/support/users/joelmcdwebworks/)
 * (@joelmcdwebworks)
 * [4 years, 12 months ago](https://wordpress.org/support/topic/php-warning-cannot-modify-header-information-15/)
 * I get the following error many times throughout the day.
 * PHP Warning: Cannot modify header information – headers already sent in …/wp-
   content/plugins/prevent-browser-caching/includes/class-prevent-browser-caching.
   php on line 114

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

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 * 0 replies
 * 1 participant
 * Last reply from: [joelmcdwebworks](https://wordpress.org/support/users/joelmcdwebworks/)
 * Last activity: [4 years, 12 months ago](https://wordpress.org/support/topic/php-warning-cannot-modify-header-information-15/)
 * Status: not resolved