From: Robert Kaiser <kairo@kairo.at>
Date: Mon, 27 Jun 2016 16:48:48 +0000 (+0200)
Subject: only cache the last_update value for 10 seconds, so that we can reasonably use this... 
X-Git-Url: https://git-public.kairo.at/?a=commitdiff_plain;h=7edd708f85562943539ec927775c1b083f079b2d;hp=7edd708f85562943539ec927775c1b083f079b2d;p=php-utility-classes.git

only cache the last_update value for 10 seconds, so that we can reasonably use this function to wait for updates but still don't flodd the commandline with requests
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