From f07978b4c363bf0a47743ee0b4d83ff3dc49a405 Mon Sep 17 00:00:00 2001
From: longxinhui <longxinhui.e@gmail.com>
Date: Sat, 17 Nov 2018 15:28:05 +0800
Subject: [PATCH] Fix PDOStatement::execute parameter error in specific
 scenarios

Array to string conversion occurs when the PDOStatement::execute parameter is empty in a specific scenario.
---
 extension/php_xhprof.h | 2 +-
 extension/xhprof.c     | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/extension/php_xhprof.h b/extension/php_xhprof.h
index 3da8305a..e180faee 100755
--- a/extension/php_xhprof.h
+++ b/extension/php_xhprof.h
@@ -39,7 +39,7 @@ extern zend_module_entry xhprof_module_entry;
  */
 
 /* XHProf version                           */
-#define XHPROF_VERSION       "2.0.4"
+#define XHPROF_VERSION       "2.0.5"
 
 /* Fictitious function name to represent top of the call tree. The paranthesis
  * in the name is to ensure we don't conflict with user function names.  */
diff --git a/extension/xhprof.c b/extension/xhprof.c
index a7e87cad..ffc9dfc9 100755
--- a/extension/xhprof.c
+++ b/extension/xhprof.c
@@ -1501,6 +1501,11 @@ char* hp_trace_callback_pdo_statement_execute(char *symbol, zend_execute_data *d
         return result;
 #endif
 
+        if (ZEND_CALL_NUM_ARGS(data) < 1) {
+            spprintf(&result, 0, "%s#%s", symbol, Z_STRVAL_P(query_string));
+            return result;
+        }
+
         arg = ZEND_CALL_ARG(data, 1);
         if (Z_TYPE_P(arg) != IS_ARRAY) {
             spprintf(&result, 0, "%s#%s", symbol, Z_STRVAL_P(query_string));