Allow void return types in PHP7 code

Summary: Added in 7.1 fixes #7740 Reviewed By: mofarrell Differential Revision: D5338511 fbshipit-source-id: dc6d24a6e831a356a04d125f859847cca5c19e07
facebook · Jun 29, 2017 · a5d6bc3 · a5d6bc3
1 parent bf612cd
commit a5d6bc3
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Showing 3 changed files with 9 additions and 2 deletions.
diff --git a/hphp/compiler/parser/parser.cpp b/hphp/compiler/parser/parser.cpp
@@ -2606,14 +2606,14 @@ Parser::AutoAliasMap getAutoAliasedClassesHelper() {
     SCALAR_TYPE(int),
     SCALAR_TYPE(float),
     SCALAR_TYPE(string),
+    SCALAR_TYPE(void),
 
-    // Hack-only primatives
+    // Hack-only primitives
     HH_ONLY_TYPE(num),
     HH_ONLY_TYPE(arraykey),
     HH_ONLY_TYPE(resource),
     HH_ONLY_TYPE(mixed),
     HH_ONLY_TYPE(noreturn),
-    HH_ONLY_TYPE(void),
     HH_ONLY_TYPE(this),
     HH_ONLY_TYPE(varray_or_darray),
     HH_ALIAS(classname, string),

diff --git a/hphp/test/slow/php7_backported/scalar-types/return_void.php b/hphp/test/slow/php7_backported/scalar-types/return_void.php
@@ -0,0 +1,6 @@
+<?php
+
+// PHP 7.1+
+function foo(): void {}
+
+var_dump(foo());
diff --git a/hphp/test/slow/php7_backported/scalar-types/return_void.php.expect b/hphp/test/slow/php7_backported/scalar-types/return_void.php.expect
@@ -0,0 +1 @@
+NULL