From:             anton dot polonskiy at gmail dot com
Operating system: Ubuntu 13.04
PHP version:      Irrelevant
Package:          *General Issues
Bug Type:         Bug
Bug description:isset() and empty() hides illegal offset warning

Description:
------------
Manual says:
"As of PHP 5.4 string offsets have to either be integers or integer-like
strings, otherwise a warning will be thrown. Previously an offset like
"foo" was silently cast to 0."

That warning will suppressed by wrapping variable in isset() or empty();

http://3v4l.org/MEldp


Test script:
---------------
<?php

$a = 'foo';
var_dump($a['bar']); // warning
var_dump(empty($a['bar'])); // no warning
var_dump(isset($a['bar'])); // no warning


-- 
Edit bug report at https://bugs.php.net/bug.php?id=65751&edit=1
-- 
Try a snapshot (PHP 5.4):   
https://bugs.php.net/fix.php?id=65751&r=trysnapshot54
Try a snapshot (PHP 5.3):   
https://bugs.php.net/fix.php?id=65751&r=trysnapshot53
Try a snapshot (trunk):     
https://bugs.php.net/fix.php?id=65751&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=65751&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=65751&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=65751&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=65751&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=65751&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=65751&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=65751&r=notwrong
Not enough info:            
https://bugs.php.net/fix.php?id=65751&r=notenoughinfo
Submitted twice:            
https://bugs.php.net/fix.php?id=65751&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=65751&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=65751&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=65751&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=65751&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=65751&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=65751&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=65751&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=65751&r=mysqlcfg

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