[DI] fix preloading script generation

nicolas-grekas · nicolas-grekas · commit fda0ec7e0999 · 2020-03-17T20:51:46.000+01:00
diff --git a/EventListener/AddLinkHeaderListener.php b/EventListener/AddLinkHeaderListener.php
@@ -17,6 +17,9 @@
 use Symfony\Component\HttpKernel\KernelEvents;
 use Symfony\Component\WebLink\HttpHeaderSerializer;
 
+// Help opcache.preload discover always-needed symbols
+class_exists(HttpHeaderSerializer::class);
+
 /**
  * Adds the Link HTTP header to the response.
  *

Original file line number	Diff line number	Diff line change
`@@ -17,6 +17,9 @@`
`17`	`17`	`use Symfony\Component\HttpKernel\KernelEvents;`
`18`	`18`	`use Symfony\Component\WebLink\HttpHeaderSerializer;`
`19`	`19`
	`20`	`+// Help opcache.preload discover always-needed symbols`
	`21`	`+class_exists(HttpHeaderSerializer::class);`
	`22`	`+`
`20`	`23`	`/**`
`21`	`24`	`* Adds the Link HTTP header to the response.`
`22`	`25`	`*`