Title: WP Super Cache Compatibility with PHP 7 Last modified: October 10, 2017 --- # WP Super Cache Compatibility with PHP 7 * [Goose758](https://wordpress.org/support/users/goose758/) * (@goose758) * [8 years, 9 months ago](https://wordpress.org/support/topic/wp-super-cache-compatibility-with-php-7/) * Hi there, * I’m looking at upgrading to PHP 7. * I ran the PHP compatibility checker plugin from WPEngine. * It detected multiple “errors” and “warnings” with WP Super Cache so I figured I better ask if WP Super Cache is in fact compatible with PHP 7 or not? * FYI… * FILE: /home2/sierra8/public_html/thelearninghub.org.nz/wp-content/plugins/wp- super-cache/wp-cache.php —————————————————————————————————— FOUND 2 ERRORS AND 3 WARNINGS AFFECTING 4 LINES —————————————————————————————————— 235 | WARNING | INI directive ‘safe_mode’ is deprecated since PHP 5.3 and removed since PHP 5.4 235 | WARNING | INI directive ‘safe_mode’ is deprecated since PHP 5.3 and removed since PHP 5.4 240 | WARNING | INI directive ‘safe_mode_gid’ is deprecated since PHP 5.3 and removed since PHP 5.4 3991 | ERROR | Global with variable variables is not allowed since PHP 7.0 4008 | ERROR | Global with variable variables is not allowed since PHP 7.0 —————————————————————————————————— * FILE: /home2/sierra8/public_html/thelearninghub.org.nz/wp-content/plugins/wp- super-cache/rest/class.wp-super-cache-rest-update-settings.php ——————————————————————————————————————————————- FOUND 1 ERROR AFFECTING 1 LINE ——————————————————————————————————————————————- 652 | ERROR | Global with variable variables is not allowed since PHP 7.0 ——————————————————————————————————————————————- * Thanks * Jeremy Viewing 3 replies - 1 through 3 (of 3 total) * Plugin Author [Donncha O Caoimh (a11n)](https://wordpress.org/support/users/donncha/) * (@donncha) * [8 years, 9 months ago](https://wordpress.org/support/topic/wp-super-cache-compatibility-with-php-7/#post-9572850) * It works fine in PHP7, but we will address those issues in time. * [peterbvg](https://wordpress.org/support/users/peterbvg/) * (@peterbvg) * [8 years, 5 months ago](https://wordpress.org/support/topic/wp-super-cache-compatibility-with-php-7/#post-9975751) * I have a website wherein, when I turn on PHP 7.0 or 7.1, the WP Super Cache admin panel stops working. * I still see: * In the page source, but I’m not sure if any of the rest of the plugin’s code will continue to work and update the cache. * Website is: [http://pulsewave.com/](http://pulsewave.com/) * Plugin Author [Donncha O Caoimh (a11n)](https://wordpress.org/support/users/donncha/) * (@donncha) * [8 years, 5 months ago](https://wordpress.org/support/topic/wp-super-cache-compatibility-with-php-7/#post-9976800) * Anything in your PHP error log? WP Super Cache works fine with PHP7. Viewing 3 replies - 1 through 3 (of 3 total) The topic ‘WP Super Cache Compatibility with PHP 7’ is closed to new replies. * ![](https://ps.w.org/wp-super-cache/assets/icon-256x256.png?rev=3506220) * [WP Super Cache](https://wordpress.org/plugins/wp-super-cache/) * [Frequently Asked Questions](https://wordpress.org/plugins/wp-super-cache/#faq) * [Support Threads](https://wordpress.org/support/plugin/wp-super-cache/) * [Active Topics](https://wordpress.org/support/plugin/wp-super-cache/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/wp-super-cache/unresolved/) * [Reviews](https://wordpress.org/support/plugin/wp-super-cache/reviews/) ## Tags * [php](https://wordpress.org/support/topic-tag/php/) * 3 replies * 3 participants * Last reply from: [Donncha O Caoimh (a11n)](https://wordpress.org/support/users/donncha/) * Last activity: [8 years, 5 months ago](https://wordpress.org/support/topic/wp-super-cache-compatibility-with-php-7/#post-9976800) * Status: not resolved