I am searching for a way to identify the amount of simultanious date ranges.
array start=('1.12', '5.12', '9.12');
array end =('8.12', '12.12', '16.12');
Looks like this in a table:
Obviously the first and last daterange do not overlap. So the amount of
overlaping bookings is 2. But how to identify this with PHP?!
Thank you for any help on this!!
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