Title: PHP Warning: Missing argument 3 for flock()
Last modified: August 22, 2016

---

# PHP Warning: Missing argument 3 for flock()

 *  Resolved [Silencio222](https://wordpress.org/support/users/silencio55/)
 * (@silencio55)
 * [11 years, 5 months ago](https://wordpress.org/support/topic/php-warning-missing-argument-3-for-flock/)
 * I am getting errors in my logs on my WPEngine hosting. That is the only logs 
   that I have checked. Thought I would bring this to your attention in case you
   have a fix..Thanks.
 * [Sun Dec 21 13:09:27 2014] [error] [client ] PHP Warning: Missing argument 3 
   for flock(), called in /www/wp-content/plugins/leverage-browser-caching-ninjas/
   leverage-browser-caching-ninja.php on line 118 and defined in /www/common/production/
   php_prevent_flock.php(5) : runkit created function on line 1, referer: [http://website.com/wp-admin/plugins.php](http://website.com/wp-admin/plugins.php)
 * [Sun Dec 21 13:09:27 2014] [error] [client] PHP Warning: Missing argument 3 for
   flock(), called in /www/wp-content/plugins/leverage-browser-caching-ninjas/leverage-
   browser-caching-ninja.php on line 134 and defined in /www/common/production/php_prevent_flock.
   php(5) : runkit created function on line 1, referer: [http://website.com/wp-admin/plugins.php](http://website.com/wp-admin/plugins.php)
 * [https://wordpress.org/plugins/leverage-browser-caching-ninjas/](https://wordpress.org/plugins/leverage-browser-caching-ninjas/)

Viewing 2 replies - 1 through 2 (of 2 total)

 *  Plugin Author [customwpninjas](https://wordpress.org/support/users/customwpninjas/)
 * (@customwpninjas)
 * [11 years, 5 months ago](https://wordpress.org/support/topic/php-warning-missing-argument-3-for-flock/#post-5600106)
 * Definitely looking into this.
 * Can you tell me the other plugins you have installed and what theme you’re using?
 *  Plugin Author [customwpninjas](https://wordpress.org/support/users/customwpninjas/)
 * (@customwpninjas)
 * [11 years, 5 months ago](https://wordpress.org/support/topic/php-warning-missing-argument-3-for-flock/#post-5600147)
 * Awesome, I fixed it! 🙂
 * Let me know if you have any other problems, I’m marking this as resolved but 
   will happily still assist you.

Viewing 2 replies - 1 through 2 (of 2 total)

The topic ‘PHP Warning: Missing argument 3 for flock()’ is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/leverage-browser-caching-ninjas.svg)
 * [Leverage Browser Caching Ninjas](https://wordpress.org/plugins/leverage-browser-caching-ninjas/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/leverage-browser-caching-ninjas/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/leverage-browser-caching-ninjas/)
 * [Active Topics](https://wordpress.org/support/plugin/leverage-browser-caching-ninjas/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/leverage-browser-caching-ninjas/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/leverage-browser-caching-ninjas/reviews/)

 * 2 replies
 * 2 participants
 * Last reply from: [customwpninjas](https://wordpress.org/support/users/customwpninjas/)
 * Last activity: [11 years, 5 months ago](https://wordpress.org/support/topic/php-warning-missing-argument-3-for-flock/#post-5600147)
 * Status: resolved