Title: PHP 8 compatibility issues Last modified: April 11, 2024 --- # PHP 8 compatibility issues * Resolved [rruyter](https://wordpress.org/support/users/rruyter/) * (@rruyter) * [2 years, 1 month ago](https://wordpress.org/support/topic/php-8-compatibility-issues-2/) * I did a PHP compatibility check. The results are below. Are there any plans to resolve that? * ```wp-block-code PHP 8.0 incompatibilities: FILE: includes/libs/google-api-client/build/vendor/phpseclib/phpseclib/phpseclib/Crypt/Base.php -------------------------------------------------------------------------------------------------------------------------------------------------------- FOUND 26 ERRORS AND 0 WARNINGS AFFECTING 20 LINES --------------------------------------------------------------------------------------------------------------------------------------------------------   803 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead   835 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead   838 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead   843 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead   851 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead   860 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead   862 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead  1159 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead  1186 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead  1191 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead  1201 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead  1663 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead  1734 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead  1735 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead  1739 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead  1837 | ERROR | The constant "MCRYPT_MODE_ECB" is deprecated since PHP 7.1 and removed since PHP 7.2                                                     1837 | ERROR | The constant "MCRYPT_MODE_CBC" is deprecated since PHP 7.1 and removed since PHP 7.2                                                     1837 | ERROR | The constant "MCRYPT_MODE_CFB" is deprecated since PHP 7.1 and removed since PHP 7.2                                                     1837 | ERROR | The constant "MCRYPT_MODE_NOFB" is deprecated since PHP 7.1 and removed since PHP 7.2                                                    1837 | ERROR | The constant "MCRYPT_MODE_OFB" is deprecated since PHP 7.1 and removed since PHP 7.2                                                     1837 | ERROR | The constant "MCRYPT_MODE_STREAM" is deprecated since PHP 7.1 and removed since PHP 7.2                                                  1838 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead  1839 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead  1844 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead  1844 | ERROR | The constant "MCRYPT_MODE_ECB" is deprecated since PHP 7.1 and removed since PHP 7.2                                                     1849 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead -------------------------------------------------------------------------------------------------------------------------------------------------------- FILE: includes/libs/google-api-client/build/vendor/phpseclib/phpseclib/phpseclib/Crypt/Random.php ------------------------------------------------------------------------------------------------------------------------------------------------------- FOUND 3 ERRORS AND 0 WARNINGS AFFECTING 2 LINES -------------------------------------------------------------------------------------------------------------------------------------------------------   66 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead  109 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead  109 | ERROR | The constant "MCRYPT_DEV_URANDOM" is deprecated since PHP 7.1 and removed since PHP 7.2                                                 ------------------------------------------------------------------------------------------------------------------------------------------------------- ``` * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fphp-8-compatibility-issues-2%2F%3Foutput_format%3Dmd&locale=en_US) to see the link]_ Viewing 1 replies (of 1 total) * Plugin Support [Amimul Ihsan](https://wordpress.org/support/users/amimulihsanmahdi/) * (@amimulihsanmahdi) * [2 years, 1 month ago](https://wordpress.org/support/topic/php-8-compatibility-issues-2/#post-17710049) * Hello there, * Thanks for reporting the issue. It seems like there is a compatibility issues with the version PHP 8.0. The issue has been reported to our developers and hopefully, it will be fixed on the upcoming update. * Thank you Viewing 1 replies (of 1 total) The topic ‘PHP 8 compatibility issues’ is closed to new replies. * ![](https://ps.w.org/fluent-smtp/assets/icon.svg?rev=2458343) * [FluentSMTP - WP SMTP Plugin with Amazon SES, SendGrid, MailGun, Postmark, Google and Any SMTP Provider](https://wordpress.org/plugins/fluent-smtp/) * [Frequently Asked Questions](https://wordpress.org/plugins/fluent-smtp/#faq) * [Support Threads](https://wordpress.org/support/plugin/fluent-smtp/) * [Active Topics](https://wordpress.org/support/plugin/fluent-smtp/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/fluent-smtp/unresolved/) * [Reviews](https://wordpress.org/support/plugin/fluent-smtp/reviews/) ## Tags * [compatibility](https://wordpress.org/support/topic-tag/compatibility/) * [php 8](https://wordpress.org/support/topic-tag/php-8/) * 2 replies * 2 participants * Last reply from: [Amimul Ihsan](https://wordpress.org/support/users/amimulihsanmahdi/) * Last activity: [2 years, 1 month ago](https://wordpress.org/support/topic/php-8-compatibility-issues-2/#post-17710049) * Status: resolved