[TYPO3-core] RFC: Bug #4888 - Invalid argument supplied for foreach() in t3lib/class.t3lib_install.php on line 392

[Franz Holzinger]

Andreas Otto writes:
> Problem:
> The variable $cfg['keys'] is treated as an array but can be an empty string.
> When treating the variable as an array it is not checked if the variable is
> indeed an array.  
> 
> Solution:
> Check if $cfg['keys'] is an array before running it through foreach. 
> 

isset($cfg['keys']) could be added too 

+1 by comparing the code to the original one (nobrainer) 

 - Franz