Fixed bug: #17137, test pass still

diff --git a/ext/mbstring/mbstring.c b/ext/mbstring/mbstring.c
index 5d8941dca138cbafad9cdab5087894076e58f823..a15aa982099044c76c165064736c5b94e716446d 100644 (file)
--- a/ext/mbstring/mbstring.c
+++ b/ext/mbstring/mbstring.c
@@ -2792,8 +2792,8 @@ PHP_FUNCTION(mb_convert_variables)
                                                        }
                                                }
                                        } else if (Z_TYPE_PP(var) == IS_STRING) {
-                                               string.val = Z_STRVAL_PP(args[n]);
-                                               string.len = Z_STRLEN_PP(args[n]);
+                                               string.val = Z_STRVAL_PP(var);
+                                               string.len = Z_STRLEN_PP(var);
                                                if (mbfl_encoding_detector_feed(identd, &string TSRMLS_CC)) {
                                                        goto detect_end;                /* complete detecting */
                                                }