Bug #81390 [Com]: mb_detect_encoding() regression

From: Date: Thu, 26 Aug 2021 17:10:34 +0000
Subject: Bug #81390 [Com]: mb_detect_encoding() regression
References: 1  Groups: php.bugs 
Request: Send a blank email to php-bugs+get-236094@lists.php.net to get a copy of this message 
Edit report at https://bugs.php.net/bug.php?id=81390&edit=1

 ID:                 81390
 Comment by:         alec at alec dot pl
 Reported by:        alec at alec dot pl
 Summary:            mb_detect_encoding() regression
 Status:             Open
 Type:               Bug
 Package:            mbstring related
 PHP Version:        8.1.0beta3
 Block user comment: N
 Private report:     N

 New Comment:

Using $test = 'test:test' in the test script also will return UUENCODE. This is really
wrong.


Previous Comments:
------------------------------------------------------------------------
[2021-08-26 17:03:35] alec at alec dot pl

Description:
------------
The same code returns "ISO-8859-1" on PHP8.0 and "UUENCODE" on PHP8.1.0beta3.

Note: the text contains some ascii with two 0x0EB characters
Note: ISO-8859-1 is before UUENCODE in the mb_list_encodings() result.
Note: Even removing UUENCODE from the list does not make it to return expected ISO-8859-1

Test script:
---------------
$test = base64_decode('Q0hBUlNFVD13aW5kb3dzLTEyNTI6RG/rO0pvaG4=');

echo mb_detect_encoding($test, mb_list_encodings());

Expected result:
----------------
ISO-8859-1

Actual result:
--------------
UUENCODE


------------------------------------------------------------------------



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Edit this bug report at https://bugs.php.net/bug.php?id=81390&edit=1

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