Title: Plugin not work with PHP 8.1.1
Last modified: October 16, 2022

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# Plugin not work with PHP 8.1.1

 *  Resolved [mio70](https://wordpress.org/support/users/mio70/)
 * (@mio70)
 * [3 years, 7 months ago](https://wordpress.org/support/topic/plugin-not-work-with-php-8-1-1/)
 * Hello,
 * my provider set php 8.1.1 to my site. When I send a mail over contactform the
   following is output in the wordpress debug.log:
 *     ```
       [06-Oct-2022 13:46:30 UTC] PHP Fatal error:  Uncaught TypeError: implode(): Argument #2 ($array) must be of type ?array, string given in /var/www/web/html/mysite/wp-content/plugins/contact-form-7-to-database-extension/CF7DBPlugin.php:849
       Stack trace:
       #0 /var/www/web/html/mysite/wp-content/plugins/contact-form-7-to-database-extension/CF7DBPlugin.php(849): implode(Array, ', ')
       #1 /var/www/web/html/mysite/wp-content/plugins/contact-form-7-to-database-extension/CFDBIntegrationContactForm7.php(55): CF7DBPlugin->saveFormData(Object(stdClass))
       #2 /var/www/web/html/mysite/wp-includes/class-wp-hook.php(309): CFDBIntegrationContactForm7->saveFormData(Object(WPCF7_ContactForm))
       #3 /var/www/web/html/mysite/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters('', Array)
       #4 /var/www/web/html/mysite/wp-includes/plugin.php(524): WP_Hook->do_action(Array)
       #5 /var/www/web/html/mysite/wp-content/plugins/contact-form-7/includes/submission.php(772): do_action_ref_array('wpcf7_before_se...', Array)
       #6 /var/www/web/html/mysite/wp-content/plugins/contact-form-7/includes/submission.php(101): WPCF7_Submission->before_send_mail()
       #7 /var/www/web/html/mysite/wp-content/plugins/contact-form-7/includes/submission.php(33): WPCF7_Submission->proceed()
       #8 /var/www/web/html/mysite/wp-content/plugins/contact-form-7/includes/contact-form.php(1047): WPCF7_Submission::get_instance(Object(WPCF7_ContactForm), Array)
       #9 /var/www/web/html/mysite/wp-content/plugins/contact-form-7/includes/rest-api.php(357): WPCF7_ContactForm->submit()
       #10 /var/www/web/html/mysite/wp-includes/rest-api/class-wp-rest-server.php(1143): WPCF7_REST_Controller->create_feedback(Object(WP_REST_Request))
       #11 /var/www/web/html/mysite/wp-includes/rest-api/class-wp-rest-server.php(990): WP_REST_Server->respond_to_request(Object(WP_REST_Request), '/contact-form-7...', Array, NULL)
       #12 /var/www/web/html/mysite/wp-includes/rest-api/class-wp-rest-server.php(414): WP_REST_Server->dispatch(Object(WP_REST_Request))
       #13 /var/www/web/html/mysite/wp-includes/rest-api.php(394): WP_REST_Server->serve_request('/contact-form-7...')
       #14 /var/www/web/html/mysite/wp-includes/class-wp-hook.php(307): rest_api_loaded(Object(WP))
       #15 /var/www/web/html/mysite/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters('', Array)
       #16 /var/www/web/html/mysite/wp-includes/plugin.php(524): WP_Hook->do_action(Array)
       #17 /var/www/web/html/mysite/wp-includes/class-wp.php(398): do_action_ref_array('parse_request', Array)
       #18 /var/www/web/html/mysite/wp-includes/class-wp.php(770): WP->parse_request('')
       #19 /var/www/web/html/mysite/wp-includes/functions.php(1330): WP->main('')
       #20 /var/www/web/html/mysite/wp-blog-header.php(16): wp()
       #21 /var/www/web/html/mysite/index.php(17): require('/var/www/web...')
       #22 {main}
         thrown in /var/www/web/html/mysite/wp-content/plugins/contact-form-7-to-database-extension/CF7DBPlugin.php on line 849
       ```
   
 * If I set the PHP back to 7.3.4 everything works as usual. On 28.11.2022 the version
   7.3.4 is dropped by my provider. How do I get working contact pages?
    Thanks 
   for your help.

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

 *  Thread Starter [mio70](https://wordpress.org/support/users/mio70/)
 * (@mio70)
 * [3 years, 7 months ago](https://wordpress.org/support/topic/plugin-not-work-with-php-8-1-1/#post-16103586)
 * The Form hang on submit a Field example [select* myfield include_blank “1” “2”“
   3”] to database under php 8.0.34 and php 8.1.1.
 *  Thread Starter [mio70](https://wordpress.org/support/users/mio70/)
 * (@mio70)
 * [3 years, 7 months ago](https://wordpress.org/support/topic/plugin-not-work-with-php-8-1-1/#post-16103688)
 * solved I had not seen that an old plugin is still used. Sorry

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

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 * 2 replies
 * 1 participant
 * Last reply from: [mio70](https://wordpress.org/support/users/mio70/)
 * Last activity: [3 years, 7 months ago](https://wordpress.org/support/topic/plugin-not-work-with-php-8-1-1/#post-16103688)
 * Status: resolved