[Tickets #11949] Re: PHP ERROR: Invalid argument supplied for foreach()

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Ticket URL: http://bugs.horde.org/ticket/11949
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  Ticket             | 11949
  Updated By         | zdrahal at ipnp.troja.mff.cuni.cz
  Summary            | PHP ERROR: Invalid argument supplied for foreach()
  Queue              | Horde Base
  Version            | 5.0.3
  Type               | Bug
  State              | Feedback
  Priority           | 1. Low
  Milestone          |
  Patch              | 1
  Owners             |
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zdrahal at ipnp.troja.mff.cuni.cz (2013-01-15 16:13) wrote:

You are right, it is *supposed* to return an empty array. However, if  
the openbasedir is activated, the glob function returns false instead  
of an empty array. In the case some matching file exists, glob returns  
a populated array regardless of the activation of the openbasedir.
See e.g.  
http://stackoverflow.com/questions/9213249/behaviour-of-glob-function-in-php-is-different-with-open-basedir or  
https://bugs.php.net/bug.php?id=47358

According to PHP guys, searching for a non-existent file in the case  
openbasedir is activated should give an error and not the answer -  
there is no file matching your search (empty array).

So the system configuration required for occurrence of this error is  
non-existence of the files in the given directory and having  
openbasedir activated.