Title: [Plugin: AddThis] Call to undefined function apply_filter()
Last modified: August 20, 2016

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# [Plugin: AddThis] Call to undefined function apply_filter()

 *  Resolved [alefattorini](https://wordpress.org/support/users/nethalessio/)
 * (@nethalessio)
 * [13 years, 11 months ago](https://wordpress.org/support/topic/plugin-addthis-call-to-undefined-function-apply_filter/)
 * I have this error in my messages, with last version of plugin.
 * `PHP Fatal error: Call to undefined function apply_filter() in /var/www/html/
   blog/wp-content/plugins/addthis/addthis_social_widget.php on line 477`
 * [http://wordpress.org/extend/plugins/addthis/](http://wordpress.org/extend/plugins/addthis/)

Viewing 1 replies (of 1 total)

 *  [_mjk_](https://wordpress.org/support/users/_mjk_/)
 * (@_mjk_)
 * [13 years, 10 months ago](https://wordpress.org/support/topic/plugin-addthis-call-to-undefined-function-apply_filter/#post-2826478)
 * This should be resolved with the last update, per [http://wordpress.org/support/topic/php-fatal-error-undefined-function-apply_filter-addthis_social_widget-line-477](http://wordpress.org/support/topic/php-fatal-error-undefined-function-apply_filter-addthis_social_widget-line-477).
 * Let us know if not!

Viewing 1 replies (of 1 total)

The topic ‘[Plugin: AddThis] Call to undefined function apply_filter()’ is closed
to new replies.

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 * 1 reply
 * 2 participants
 * Last reply from: [_mjk_](https://wordpress.org/support/users/_mjk_/)
 * Last activity: [13 years, 10 months ago](https://wordpress.org/support/topic/plugin-addthis-call-to-undefined-function-apply_filter/#post-2826478)
 * Status: resolved