From: Sascha Schumann <sas@php.net>
Date: Sat, 20 Sep 2003 16:10:49 +0000 (+0000)
Subject: MFB Avoid zero-length keys which result in a spinning process
X-Git-Tag: RELEASE_0_7~18
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=36ac7a5bb064184654bb217899519020dd0669ff;p=php

MFB Avoid zero-length keys which result in a spinning process
---

diff --git a/ext/standard/string.c b/ext/standard/string.c
index 26167f934c..984a5fd7cd 100644
--- a/ext/standard/string.c
+++ b/ext/standard/string.c
@@ -2256,6 +2256,9 @@ static void php_strtr_array(zval *return_value, char *str, int slen, HashTable *
 		switch (zend_hash_get_current_key_ex(hash, &string_key, &string_key_len, &num_key, 0, &hpos)) {
 			case HASH_KEY_IS_STRING:
 				len = string_key_len-1;
+				if (len < 1) {
+					RETURN_FALSE;
+				}
 				if (len > maxlen) {
 					maxlen = len;
 				}