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<?php function datediffInWeeks($date1, $date2) { if($date1 > $date2) return datediffInWeeks($date2, $date1); $first = DateTime::createFromFormat('m/d/Y', $date1); $second = DateTime::createFromFormat('m/d/Y', $date2); return floor($first->diff($second)->days/7); } var_dump(datediffInWeeks('1/2/2013', '6/4/2013'));// 21 var_dump(datediffInWeeks('6/4/2013', '1/2/2013'));// 21
Output for git.master_jit, git.master, rfc.property-hooks
float(21) float(21)

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