Merge pull request #7156 from stanley-cheung/php-add-comment-shutdown-warning

PHP: add warning about shutdown function

examples/php/composer.json

@@ -9,6 +9,6 @@
     }
   ],
   "require": {
-    "grpc/grpc": "dev-release-0_13"
+    "grpc/grpc": "v0.15.0"
   }
 }

src/php/composer.json

@@ -2,7 +2,6 @@
   "name": "grpc/grpc",
   "type": "library",
   "description": "gRPC library for PHP",
-  "version": "0.14.0",
   "keywords": ["rpc"],
   "homepage": "http://grpc.io",
   "license": "BSD-3-Clause",

src/php/ext/grpc/php_grpc.c

@@ -248,6 +248,8 @@ PHP_MSHUTDOWN_FUNCTION(grpc) {
   /* uncomment this line if you have INI entries
   UNREGISTER_INI_ENTRIES();
   */
+  // WARNING: This function IS being called by PHP when the extension
+  // is unloaded but the logs were somehow suppressed.
   grpc_shutdown_timeval(TSRMLS_C);
   grpc_php_shutdown_completion_queue(TSRMLS_C);
   grpc_shutdown();