Title: PHP Strict Standards
Last modified: August 21, 2016

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# PHP Strict Standards

 *  [shorif2000](https://wordpress.org/support/users/shorif2000/)
 * (@shorif2000)
 * [12 years, 2 months ago](https://wordpress.org/support/topic/php-strict-standards-4/)
 * I get following n error when using php55 PHP Strict Standards: call_user_func()
   expects parameter 1 to be a valid callback, non-static method ListCategoryPosts::
   catlist_func() should not be called statically in /opt/html/intranet/wp-includes/
   shortcodes.php on line 273
 * [https://wordpress.org/plugins/list-category-posts/](https://wordpress.org/plugins/list-category-posts/)

The topic ‘PHP Strict Standards’ is closed to new replies.

 * ![](https://ps.w.org/list-category-posts/assets/icon-256x256.png?rev=2517221)
 * [List category posts](https://wordpress.org/plugins/list-category-posts/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/list-category-posts/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/list-category-posts/)
 * [Active Topics](https://wordpress.org/support/plugin/list-category-posts/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/list-category-posts/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/list-category-posts/reviews/)

 * 0 replies
 * 1 participant
 * Last reply from: [shorif2000](https://wordpress.org/support/users/shorif2000/)
 * Last activity: [12 years, 2 months ago](https://wordpress.org/support/topic/php-strict-standards-4/)
 * Status: not resolved