Doc #64081 [NEW]: Trim can return false

From: Date: Sat, 26 Jan 2013 09:59:05 +0000
Subject: Doc #64081 [NEW]: Trim can return false
Groups: php.doc.bugs 
Request: Send a blank email to doc-bugs+get-9482@lists.php.net to get a copy of this message 
From:             blueAlien86 at gmail dot com
Operating system: 
PHP version:      Irrelevant
Package:          Documentation problem
Bug Type:         Documentation Problem
Bug description:Trim can return false

Description:
------------
---
From manual page: http://www.php.net/function.trim#refsect1-function.trim-
returnvalues
---

Taken from Empty function documentation:
will not work: empty(trim($name)). Instead, use trim($name) == false.

Test script:
---------------
unset($name);
echo empty(trim($name)); //FAILS
echo trim($name); //FALSE


-- 
Edit bug report at https://bugs.php.net/bug.php?id=64081&edit=1
-- 
Try a snapshot (PHP 5.4):   https://bugs.php.net/fix.php?id=64081&r=trysnapshot54
Try a snapshot (PHP 5.3):   https://bugs.php.net/fix.php?id=64081&r=trysnapshot53
Try a snapshot (trunk):     https://bugs.php.net/fix.php?id=64081&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=64081&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=64081&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=64081&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=64081&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=64081&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=64081&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=64081&r=notwrong
Not enough info:            https://bugs.php.net/fix.php?id=64081&r=notenoughinfo
Submitted twice:            https://bugs.php.net/fix.php?id=64081&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=64081&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=64081&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=64081&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=64081&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=64081&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=64081&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=64081&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=64081&r=mysqlcfg

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