add checks to avoid warnings 'invalid argument supplied to foreach'

ramack / exiftool_gps

Exiftool GPS plugin for Piwigo gallery (PWG)

GNU General Public License v3.0

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add checks to avoid warnings 'invalid argument supplied to foreach' #5

Open homerjsimpson000 opened 5 years ago

ramack commented 5 years ago

LGTM, doesn't this fix #2 ?

ramack commented 5 years ago

Ah no, instead of the warning the user who doesn't have exiftool installed on the server will just not get anything, right? Shouldn't we somehow output an error message telling that exiftool is not found if that is the case?