Google App Engine PHP 5 Standard Environment documentation

Note: PHP 5 has reached end of support on January 30, 2024. Your existing PHP 5 applications will continue to run and receive traffic. However, App Engine might block re-deployment of applications that use runtimes after their end of support date. We recommend that you migrate to the latest supported version of PHP.

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App Engine standard environment makes it easy to build and deploy an application that runs reliably under heavy load and with large amounts of data. Your application runs within its own secure, reliable environment that is independent of the hardware, operating system, or physical location of the server. Learn more

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