Bug #77024 [NEW]: SplFileObject::__toString() may return array

From: Date: Tue, 16 Oct 2018 12:33:45 +0000
Subject: Bug #77024 [NEW]: SplFileObject::__toString() may return array
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-217593@lists.php.net to get a copy of this message 
From:             cmb
Operating system: *
PHP version:      master-Git-2018-10-16 (Git)
Package:          SPL related
Bug Type:         Bug
Bug description:SplFileObject::__toString() may return array

Description:
------------
SplFileObject::__toString() is an alias of ::current(), but since
the latter returns an array instead of a string, if the READ_CSV
flag is set, the former also does.  This is at least rather
confusing, since one expects __toString() to return a string.

See also <http://php.net/manual/en/splfileobject.tostring.php#123238>.

Test script:
---------------
<?php
$file = new SplTempFileObject;
$file->fputcsv(['foo', 'bar', 'baz']);
$file->rewind();
$file->setFlags(SplFileObject::READ_CSV);
echo gettype($file->__toString());
?>

Expected result:
----------------
string

Actual result:
--------------
array

-- 
Edit bug report at https://bugs.php.net/bug.php?id=77024&edit=1
-- 
Try a snapshot (PHP 5.4):   https://bugs.php.net/fix.php?id=77024&r=trysnapshot54
Try a snapshot (PHP 5.5):   https://bugs.php.net/fix.php?id=77024&r=trysnapshot55
Try a snapshot (trunk):     https://bugs.php.net/fix.php?id=77024&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=77024&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=77024&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=77024&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=77024&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=77024&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=77024&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=77024&r=notwrong
Not enough info:            https://bugs.php.net/fix.php?id=77024&r=notenoughinfo
Submitted twice:            https://bugs.php.net/fix.php?id=77024&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=77024&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=77024&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=77024&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=77024&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=77024&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=77024&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=77024&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=77024&r=mysqlcfg

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