[TYPO3-core] RFC #17412: PHP Warning in class.t3lib_matchcondition_abstract.php

[Sven Jürgens]

Hi,

this is a SVN patch request.

Type: Bugfix, No Brainer

Bugtracker references:
http://bugs.typo3.org/view.php?id=17412

Branches: 4_5, trunk

Problem:
i got the following PHP Warning
PHP Warning: implode() [<a 
href='function.implode'>function.implode</a>]: Invalid arguments passed 
in 
/.../typo3_src-4.5.0/t3lib/matchcondition/class.t3lib_matchcondition_abstract.php 
line 262

Additional Information:
this is the following line
$allSystems .= ' ' . implode(' ', $browserInfo['all_systems']);
problem is the definition of $browserInfo['all_systems'] in 
class.t3lib_utility_client.php as empty string

for information in $browserInfo['all_systems'] there is used the sended 
userAgent from your Browser, but if some clients don't send the 
userAgent $browserInfo['all_systems'] is still an string

how to reproduce:

set in TypoScript a "system" condition like

[system = mac]
// do something
[global]

after that call the page width that condtition and use Firefox Addon 
Tamper Data, to delete your userAgent.


Solution:
set $browserInfo['all_systems'] = array();
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