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<?php $startDate = '2014-01-01'; $endDate = '2014-12-31'; $startDateParts = explode('-', $startDate); $endDateParts = explode('-', $endDate); if (!checkdate($startDateParts[1], $startDateParts[2], $startDateParts[0]) || !checkdate($endDateParts[1], $endDateParts[2], $endDateParts[0])) { echo 'Invalid date ranges'; } else { echo 'GTG!'; }

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