SymfonyCloud: PHP 8 is available right now

The PHP team has just released PHP 8.0 moments ago 👏! I am happy to announce that you can deploy your applications using PHP 8.0 on SymfonyCloud right now 🎉:

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--- a/.symfony.cloud.yaml
+++ b/.symfony.cloud.yaml
@@ -1,6 +1,6 @@
 name: app

-type: php:7.4
+type: php:8.0

 runtime:
     sizing_hints:

While the majority of PHP extensions work right away, some third-party extensions are not yet available and will give an error if you try to deploy with those enabled. Some libraries (like Doctrine) might not be compatible at the moment as well. Thanks to SymfonyCloud environments, you can give it a try without breaking your production:

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$ symfony env:create php-8
$ vim .symfony.cloud.yaml
$ git add -u && git commit 'PHP 8 is here!'
$ symfony deploy

As for every new version of PHP, developer ergonomics, performance, and security are all improved. One of the most anticipated features is probably the JIT - Just In Time - compilation. The JIT compiler promises some performance improvements. In order to enable it, don't forget to define the jit_buffer_size PHP setting:

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--- a/.symfony.cloud.yaml
+++ b/.symfony.cloud.yaml
@@ -21,6 +21,7 @@ runtime:
 variables:
     php:
         opcache.preload: /app/config/preload.php
+        opcache.jit_buffer_size: 100M

 relationships:
     database: "database:postgresql"