Title: PHP version
Last modified: October 27, 2023

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# PHP version

 *  [ctx8](https://wordpress.org/support/users/ctx8/)
 * (@ctx8)
 * [2 years, 7 months ago](https://wordpress.org/support/topic/php-version-111/)
 * Hi,
   Does plugin support PHP 8.0 or 8.1?
 * Thank you.

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

 *  Plugin Author [Arshid](https://wordpress.org/support/users/arshidkv12/)
 * (@arshidkv12)
 * [2 years, 7 months ago](https://wordpress.org/support/topic/php-version-111/#post-17156283)
 * Yes
 *  [istvan_r9](https://wordpress.org/support/users/istvan_r9/)
 * (@istvan_r9)
 * [2 years, 6 months ago](https://wordpress.org/support/topic/php-version-111/#post-17181580)
 * On a multisite you get a critical error upon activation when on php 8.x
 * Fatal error: Uncaught Error: Call to a member function add_cap() on null
 * /plugins/contact-form-cfdb7/contact-form-cfdb-7.php:64 Stack trace: #0
 *     ```wp-block-code
       if ( !function_exists( 'populate_roles' ) ) {
       require_once( ABSPATH . 'wp-admin/includes/schema.php' );
       }
   
       populate_roles();
       ```
   
 * This fixed the issue when I added it to theme functions.php.

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

The topic ‘PHP version’ is closed to new replies.

 * ![](https://ps.w.org/contact-form-cfdb7/assets/icon-256x256.png?rev=1619878)
 * [Database Addon for Contact Form 7 - CFDB7](https://wordpress.org/plugins/contact-form-cfdb7/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/contact-form-cfdb7/#faq)
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 * [Active Topics](https://wordpress.org/support/plugin/contact-form-cfdb7/active/)
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 * 3 replies
 * 3 participants
 * Last reply from: [istvan_r9](https://wordpress.org/support/users/istvan_r9/)
 * Last activity: [2 years, 6 months ago](https://wordpress.org/support/topic/php-version-111/#post-17181580)
 * Status: not resolved