Migrated web-application from PHP 5.4 to PHP 7: 3x faster!

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This week a web-application was migrated from PHP 5.4 to a newer server with PHP 7. It required a few modifications of the applications, but it finally ran correctly.

The most interesting part: The application running under PHP 7 is now 3x faster than before! Take a look at the following graph which comes from our monitoring and measures the response time of the web-application:

PHP 5.4 vs. PHP 7 response times

Without a doubt you saw he "drop" of response time on Wednesday afternoon.

Here some additional information:
"Old" server was running on a CentOS 6 VM with Nginx and PHP-FPM 5.4. "New" server is a Ubuntu 16.04 LXC container with Nginx and PHP-FPM 7.

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