From 92f61634eb1890255a2ed86667acaa1f06262cc2 Mon Sep 17 00:00:00 2001
From: Sascha Schumann <sas@php.net>
Date: Fri, 22 Dec 2000 22:53:14 +0000
Subject: [PATCH] (PHP session_unset) Return early, if no session was started.

PR: #8354
---
 ext/session/session.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ext/session/session.c b/ext/session/session.c
index 211d234479b..1f352ab8343 100644
--- a/ext/session/session.c
+++ b/ext/session/session.c
@@ -1388,6 +1388,9 @@ PHP_FUNCTION(session_unset)
 	ulong     num_key;
 	PSLS_FETCH();
 	
+	if (PS(nr_open_sessions) == 0)
+		RETURN_FALSE;
+	
 	for (zend_hash_internal_pointer_reset(&PS(vars));
 			zend_hash_get_current_key(&PS(vars), &variable, &num_key, 0) == HASH_KEY_IS_STRING;
 			zend_hash_move_forward(&PS(vars))) {