Title: PHP error
Last modified: March 22, 2024

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# PHP error

 *  Resolved [Mikael Boldt](https://wordpress.org/support/users/boldt/)
 * (@boldt)
 * [2 years, 2 months ago](https://wordpress.org/support/topic/php-error-640/)
 * I have been told by my newsletter plugin that I need to upgrade from PHP version
   7.4 since it is no longer supported.
 * I tried to change to PHP 8.2 but the system told me this:
 * **Fatal error**: Uncaught Error: Call to undefined function security\wordpress\
   vulnerabilities\openssl_decrypt() in /home/www/vang.nu/wp-content/plugins/really-
   simple-ssl/security/wordpress/vulnerabilities/class-rsssl-file-storage.php:113
   Stack trace: #0 /home/www/vang.nu/wp-content/plugins/really-simple-ssl/security/
   wordpress/vulnerabilities/class-rsssl-file-storage.php(52): security\wordpress\
   vulnerabilities\Rsssl_File_Storage->Decode64WithHash(‘RrPq9O6FU7i0PfU…’) #1 /
   home/www/vang.nu/wp-content/plugins/really-simple-ssl/security/wordpress/vulnerabilities/
   class-rsssl-file-storage.php(40): security\wordpress\vulnerabilities\Rsssl_File_Storage-
   >get(‘/home/www/vang….’) #2 /home/www/vang.nu/wp-content/plugins/really-simple-
   ssl/security/wordpress/vulnerabilities.php(1048): security\wordpress\vulnerabilities\
   Rsssl_File_Storage::GetFile(‘components.json’) #3 /home/www/vang.nu/wp-content/
   plugins/really-simple-ssl/security/wordpress/vulnerabilities.php(504): rsssl_vulnerabilities-
   >get_components() #4 /home/www/vang.nu/wp-content/plugins/really-simple-ssl/security/
   wordpress/vulnerabilities.php(296): rsssl_vulnerabilities->cache_installed_plugins()#
   5 /home/www/vang.nu/wp-includes/class-wp-hook.php(324): rsssl_vulnerabilities-
   >show_help_notices(Array) #6 /home/www/vang.nu/wp-includes/plugin.php(205): WP_Hook-
   >apply_filters(Array, Array) #7 /home/www/vang.nu/wp-content/plugins/really-simple-
   ssl/class-admin.php(2400): apply_filters(‘rsssl_notices’, Array) #8 /home/www/
   vang.nu/wp-content/plugins/really-simple-ssl/class-admin.php(2615): rsssl_admin-
   >get_notices_list() #9 /home/www/vang.nu/wp-content/plugins/really-simple-ssl/
   settings/settings.php(174): rsssl_admin->count_plusones() #10 /home/www/vang.
   nu/wp-includes/class-wp-hook.php(324): rsssl_add_option_menu(”) #11 /home/www/
   vang.nu/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)#
   12 /home/www/vang.nu/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #
   13 /home/www/vang.nu/wp-admin/includes/menu.php(161): do_action(‘admin_menu’,”)#
   14 /home/www/vang.nu/wp-admin/menu.php(417): require_once(‘/home/www/vang….’)#
   15 /home/www/vang.nu/wp-admin/admin.php(158): require(‘/home/www/vang….’) #16/
   home/www/vang.nu/wp-admin/index.php(10): require_once(‘/home/www/vang….’) #17{
   main} thrown in **/home/www/vang.nu/wp-content/plugins/really-simple-ssl/security/
   wordpress/vulnerabilities/class-rsssl-file-storage.php** on line **113**
 * at PHP 8.0 everything is OK although I find it a little problematic

Viewing 1 replies (of 1 total)

 *  Plugin Author [Mark](https://wordpress.org/support/users/markwolters/)
 * (@markwolters)
 * [2 years, 2 months ago](https://wordpress.org/support/topic/php-error-640/#post-17525138)
 * Hi [@boldt](https://wordpress.org/support/users/boldt/),
 * this issue occurs because the OpenSSL library is missing from your PHP installation.
   We recommend to contact your host about this, they can enable the OpenSSL library
   in your PHP installation.

Viewing 1 replies (of 1 total)

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

 * ![](https://ps.w.org/really-simple-ssl/assets/icon-256x256.png?rev=2839720)
 * [Really Simple Security - Simple and Performant Security (formerly Really Simple SSL)](https://wordpress.org/plugins/really-simple-ssl/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/really-simple-ssl/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/really-simple-ssl/)
 * [Active Topics](https://wordpress.org/support/plugin/really-simple-ssl/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/really-simple-ssl/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/really-simple-ssl/reviews/)

 * 1 reply
 * 2 participants
 * Last reply from: [Mark](https://wordpress.org/support/users/markwolters/)
 * Last activity: [2 years, 2 months ago](https://wordpress.org/support/topic/php-error-640/#post-17525138)
 * Status: resolved