Title: PHP warnings Last modified: October 1, 2021 --- # PHP warnings * Resolved [Alex Knight](https://wordpress.org/support/users/alexkwatson/) * (@alexkwatson) * [4 years, 8 months ago](https://wordpress.org/support/topic/php-warnings-119/) * I am seeing some PHP warnings from Sensei at the very top of the admin area ( all pages): * ``` Warning: array_map(): Expected parameter 2 to be an array, bool given in /home/312442.cloudwaysapps.com/wqdpkneaga/public_html/wp-content/plugins/woothemes-sensei/plugins/sensei-lms/includes/admin/class-sensei-extensions.php on line 192 Warning: array_map(): Expected parameter 2 to be an array, bool given in /home/312442.cloudwaysapps.com/wqdpkneaga/public_html/wp-content/plugins/woothemes-sensei/plugins/sensei-lms/includes/admin/class-sensei-extensions.php on line 192 Warning: array_column() expects parameter 1 to be array, null given in /home/312442.cloudwaysapps.com/wqdpkneaga/public_html/wp-content/plugins/woothemes-sensei/plugins/sensei-lms/includes/admin/class-sensei-extensions.php on line 236 Warning: array_filter() expects parameter 1 to be array, null given in /home/312442.cloudwaysapps.com/wqdpkneaga/public_html/wp-content/plugins/woothemes-sensei/plugins/sensei-lms/includes/admin/class-sensei-extensions.php on line 236 Warning: count(): Parameter must be an array or an object that implements Countable in /home/312442.cloudwaysapps.com/wqdpkneaga/public_html/wp-content/plugins/woothemes-sensei/plugins/sensei-lms/includes/admin/class-sensei-extensions.php on line 236 ``` * All plugins and WordPress are up to date. * Any ideas how I can make these warnings go away? * Thanks * Alex Viewing 5 replies - 1 through 5 (of 5 total) * [Orange](https://wordpress.org/support/users/leegrant/) * (@leegrant) * [4 years, 8 months ago](https://wordpress.org/support/topic/php-warnings-119/#post-14927851) * Same issue here * [noeliaherpark](https://wordpress.org/support/users/noeliaherpark/) * (@noeliaherpark) * [4 years, 8 months ago](https://wordpress.org/support/topic/php-warnings-119/#post-14928664) * Same issue, please help! I tried to switch to a default theme, but issue persists. I have also noticed that if I deactivate the plugin, delete it and try to activate it again, returns the following error: * Plugin could not be activated because it triggered a fatal error. * `Fatal error: Uncaught TypeError: array_map(): Argument #2 ($array) must be of type array, bool given in /plugins/sensei-lms/includes/admin/class-sensei-extensions. php:192 Stack trace: #0 /plugins/sensei-lms/includes/admin/class-sensei-extensions. php(192): array_map(Object(Closure), false) #1 /plugins/sensei-lms/includes/admin/ class-sensei-extensions.php(144): Sensei_Extensions->add_installed_extensions_properties( false) #2 /plugins/sensei-lms/includes/admin/class-sensei-wcpc-prompt.php(165): Sensei_Extensions->get_extensions('plugin') #3 /plugins/sensei-lms/includes/admin/ class-sensei-wcpc-prompt.php(29): Sensei_WCPC_Prompt->get_wcpc_extension() #4/ plugins/sensei-lms/includes/class-sensei.php(441): Sensei_WCPC_Prompt->__construct()# 5 /plugins/sensei-lms/includes/class-sensei.php(283): Sensei_Main->initialize_global_objects()# 6 /plugins/sensei-lms/includes/class-sensei.php(245): Sensei_Main->init() #7 / plugins/sensei-lms/includes/class-sensei.php(313): Sensei_Main->__construct('/ Applications/M...', Array) #8 /plugins/sensei-lms/sensei-lms.php(97): Sensei_Main:: instance(Array) #9 /plugins/sensei-lms/sensei-lms.php(103): Sensei() #10 /plugin. php(2286): include_once('/Applications/M...') #11 /plugins.php(191): plugin_sandbox_scrape(' sensei-lms/sens...') #12 {main} thrown in /plugins/sensei-lms/includes/admin/ class-sensei-extensions.php on line 192` * [Cena (a11n)](https://wordpress.org/support/users/cena/) * (@cena) * [4 years, 8 months ago](https://wordpress.org/support/topic/php-warnings-119/#post-14929247) * Hi all, * I’ve alerted our developers to the issue. I just wanted to touch base here and let y’all know this has been seen and reported (and confirmed on my test site). * We’ll update as soon as we have more information for you. * Best, Cena` * [noeliaherpark](https://wordpress.org/support/users/noeliaherpark/) * (@noeliaherpark) * [4 years, 8 months ago](https://wordpress.org/support/topic/php-warnings-119/#post-14929320) * Thanks!!! * [Cena (a11n)](https://wordpress.org/support/users/cena/) * (@cena) * [4 years, 8 months ago](https://wordpress.org/support/topic/php-warnings-119/#post-14930196) * Hi, * Sensei LMS 3.13.2 has just been released in response to this error. It fixed an issue related to the extensions fetch. * The origin of the issue is a change in the Let’s Encrypt certificate: * [https://letsencrypt.org/docs/dst-root-ca-x3-expiration-september-2021/](https://letsencrypt.org/docs/dst-root-ca-x3-expiration-september-2021/) * So even with this release, you should fix the problem as noted below on your server. You may need to reach out to your web host for help with this: * [https://www.openssl.org/blog/blog/2021/09/13/LetsEncryptRootCertExpire/](https://www.openssl.org/blog/blog/2021/09/13/LetsEncryptRootCertExpire/) * Best, Viewing 5 replies - 1 through 5 (of 5 total) The topic ‘PHP warnings’ is closed to new replies. * ![](https://ps.w.org/sensei-lms/assets/icon-128x128.gif?rev=2914239) * [Sensei LMS - Online Courses, Quizzes, & Learning](https://wordpress.org/plugins/sensei-lms/) * [Frequently Asked Questions](https://wordpress.org/plugins/sensei-lms/#faq) * [Support Threads](https://wordpress.org/support/plugin/sensei-lms/) * [Active Topics](https://wordpress.org/support/plugin/sensei-lms/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/sensei-lms/unresolved/) * [Reviews](https://wordpress.org/support/plugin/sensei-lms/reviews/) ## Tags * [letsencrypt](https://wordpress.org/support/topic-tag/letsencrypt/) * 5 replies * 4 participants * Last reply from: [Cena (a11n)](https://wordpress.org/support/users/cena/) * Last activity: [4 years, 8 months ago](https://wordpress.org/support/topic/php-warnings-119/#post-14930196) * Status: resolved