Add ARRAY for reserved name (#3150)

diff --git a/php/tests/generated_class_test.php b/php/tests/generated_class_test.php
index b42397b..be641b6 100644
--- a/php/tests/generated_class_test.php
+++ b/php/tests/generated_class_test.php
@@ -876,6 +876,7 @@
         $m = new \Foo\TestMessage_Empty();
         $m = new \Foo\PBEmpty();
         $m = new \PrefixEmpty();
+        $m = new \Foo\PBARRAY();
     }
 
     #########################################################
@@ -886,8 +887,8 @@
     {
         $m = (new TestMessage())
             ->setOptionalInt32(1)
-            ->setOptionalInt64(2);
+            ->setOptionalUInt32(2);
         $this->assertSame(1, $m->getOptionalInt32());
-        $this->assertSame(2, $m->getOptionalInt64());
+        $this->assertSame(2, $m->getOptionalUInt32());
     }
 }