diff --git a/platform/util/resources/misc/registry.properties b/platform/util/resources/misc/registry.properties
index b346ef86994b..95f5b6cf7152 100644
--- a/platform/util/resources/misc/registry.properties
+++ b/platform/util/resources/misc/registry.properties
@@ -956,3 +956,6 @@ editable.java.test.console.description=Enables System.in in java test consoles (
 swift.create.type.from.usage.enabled=false
 javascript.unused.global.declarations.cached=false
 javascript.unused.global.declarations.description=Allows caching of JavaScript unused property declarations; might contain threading issues, experimental
+
+php.register.class.references.in.strings=true
+php.register.class.references.in.strings.description=Enables extended class reference provider for php string literals.
\ No newline at end of file