Bug #81346 [NEW]: Non-seekable streams do not update the position after write

From: Date: Tue, 10 Aug 2021 13:18:00 +0000
Subject: Bug #81346 [NEW]: Non-seekable streams do not update the position after write
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-235731@lists.php.net to get a copy of this message 
From:             cmb
Operating system: *
PHP version:      7.4Git-2021-08-10 (Git)
Package:          Streams related
Bug Type:         Bug
Bug description:Non-seekable streams do not update the position after write

Description:
------------
When writing to a non-seekable stream, the stream position is not
properly updated, what can be whitnessed by ftell().

The seemingly strange expected output is due to bug #81345.

Test script:
---------------
<?php
$s = fopen("compress.bzip2://file.bz2", "w");
fwrite($s, str_repeat("hello world", 100));
fflush($s);
var_dump(ftell($s));
?>

Expected result:
----------------
int(1100)

Actual result:
--------------
int(0)

-- 
Edit bug report at https://bugs.php.net/bug.php?id=81346&edit=1
-- 
Fix committed:                    https://bugs.php.net/fix.php?id=81346&r=fixed
Fixed in release:                 https://bugs.php.net/fix.php?id=81346&r=alreadyfixed
Need backtrace:                   https://bugs.php.net/fix.php?id=81346&r=needtrace
Need Reproduce Script:            https://bugs.php.net/fix.php?id=81346&r=needscript
Try newer version:                https://bugs.php.net/fix.php?id=81346&r=oldversion
Not developer issue:              https://bugs.php.net/fix.php?id=81346&r=support
Expected behavior:                https://bugs.php.net/fix.php?id=81346&r=notwrong
Not enough info:                  https://bugs.php.net/fix.php?id=81346&r=notenoughinfo
Submitted twice:                  https://bugs.php.net/fix.php?id=81346&r=submittedtwice
register_globals:                 https://bugs.php.net/fix.php?id=81346&r=globals
PHP version support discontinued: https://bugs.php.net/fix.php?id=81346&r=phptooold
Daylight Savings:                 https://bugs.php.net/fix.php?id=81346&r=dst
IIS Stability:                    https://bugs.php.net/fix.php?id=81346&r=isapi
Install GNU Sed:                  https://bugs.php.net/fix.php?id=81346&r=gnused
Floating point limitations:       https://bugs.php.net/fix.php?id=81346&r=float
No Zend Extensions:               https://bugs.php.net/fix.php?id=81346&r=nozend
MySQL Configuration Error:        https://bugs.php.net/fix.php?id=81346&r=mysqlcfg

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