Title: php warning
Last modified: January 12, 2022

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# php warning

 *  [Brian Brown, Ph.D.](https://wordpress.org/support/users/brianbrown/)
 * (@brianbrown)
 * [4 years, 4 months ago](https://wordpress.org/support/topic/php-warning-334/)
 * Hi Kat!
    This is a pretty cool plugin. Simplistic and minimalistis. I just wanted
   to give you a heads up that the plugin is throwing a ‘soft’ error: `array_key_exists()
   expects parameter 2 to be array, bool given in /path/to/wp-content/plugins/plus-
   webp/lib /class-pluswebp.php on line 113` Regards, -Brian

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

 * ![](https://ps.w.org/plus-webp/assets/icon-256x256.png?rev=2087314)
 * [Plus WebP or AVIF](https://wordpress.org/plugins/plus-webp/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/plus-webp/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/plus-webp/)
 * [Active Topics](https://wordpress.org/support/plugin/plus-webp/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/plus-webp/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/plus-webp/reviews/)

## Tags

 * [PHP Warning](https://wordpress.org/support/topic-tag/php-warning/)

 * 0 replies
 * 1 participant
 * Last reply from: [Brian Brown, Ph.D.](https://wordpress.org/support/users/brianbrown/)
 * Last activity: [4 years, 4 months ago](https://wordpress.org/support/topic/php-warning-334/)
 * Status: not resolved