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<?php $F = strftime("%F") ? "%F" : "%Y-%m-%d"; foreach (array("Sat 2016-07-30", "Sun 2016-07-31", "Mon 2016-08-01", "Tue 2016-08-02") as $ref) { $ref = strtotime($ref); echo strftime("Relative to %a $F, ", $ref); echo strftime("this week = %a $F, ", strtotime("this week", $ref)); echo strftime("next week = %a $F\n", strtotime("next week", $ref)); }

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