From e3de898d98d33d7a65df380ed128a09a1d85a3fe Mon Sep 17 00:00:00 2001
From: Xinchen Hui <laruence@gmail.com>
Date: Mon, 3 Mar 2014 23:14:57 +0800
Subject: [PATCH] Paramter are references

---
 ext/standard/exec.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ext/standard/exec.c b/ext/standard/exec.c
index fb33812c19..bc1f067290 100644
--- a/ext/standard/exec.c
+++ b/ext/standard/exec.c
@@ -192,6 +192,7 @@ static void php_exec_ex(INTERNAL_FUNCTION_PARAMETERS, int mode) /* {{{ */
 	if (!ret_array) {
 		ret = php_exec(mode, cmd, NULL, return_value TSRMLS_CC);
 	} else {
+		ret_array = Z_REFVAL_P(ret_array);
 		if (Z_TYPE_P(ret_array) != IS_ARRAY) {
 			zval_dtor(ret_array);
 			array_init(ret_array);
@@ -199,6 +200,7 @@ static void php_exec_ex(INTERNAL_FUNCTION_PARAMETERS, int mode) /* {{{ */
 		ret = php_exec(2, cmd, ret_array, return_value TSRMLS_CC);
 	}
 	if (ret_code) {
+		ret_code = Z_REFVAL_P(ret_code);
 		zval_dtor(ret_code);
 		ZVAL_LONG(ret_code, ret);
 	}
-- 
2.50.1