Added warning for hex2bin() when input is invalid string

diff --git a/ext/standard/string.c b/ext/standard/string.c
index f3f78100b4c6fb18bbb203736c9a25ba8dbd76eb..bc610659e5ac1d6f8ca249a0934d412d2248767a 100644 (file)
--- a/ext/standard/string.c
+++ b/ext/standard/string.c
@@ -280,6 +280,7 @@ PHP_FUNCTION(hex2bin)
        result = php_hex2bin((unsigned char *)data, datalen, &newlen);
 
        if (!result) {
+               php_error_docref(NULL TSRMLS_CC, E_WARNING, "Input string must be hexadecimal string");
                RETURN_FALSE;
        }