From: Anatol Belski <ab@php.net>
Date: Fri, 19 Sep 2014 09:23:23 +0000 (+0200)
Subject: fix empty string check
X-Git-Tag: POST_NATIVE_TLS_MERGE^2~196
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=bf7203e1e02f1313a3fd8beb3bbdb102a77f1388;p=php

fix empty string check
---

diff --git a/ext/mbstring/php_mbregex.c b/ext/mbstring/php_mbregex.c
index 864d50a5ce..62b3e962f6 100644
--- a/ext/mbstring/php_mbregex.c
+++ b/ext/mbstring/php_mbregex.c
@@ -717,7 +717,7 @@ static void _php_mb_regex_ereg_exec(INTERNAL_FUNCTION_PARAMETERS, int icase)
 		/* don't bother doing an extended regex with just a number */
 	}
 
-	if (!Z_STRVAL_P(arg_pattern) || Z_STRLEN_P(arg_pattern) == 0) {
+	if (!Z_STRVAL_P(arg_pattern)[0] || Z_STRLEN_P(arg_pattern) == 0) {
 		php_error_docref(NULL TSRMLS_CC, E_WARNING, "empty pattern");
 		RETVAL_FALSE;
 		goto out;