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<?php //round pour le changement d'heure $debut = mktime(0, 0, 0, 10, 27, 2013); $fin = mktime(23, 0, 0, 10, 27, 2013); echo strtotime('+23 hours',$debut); $d1 = new DateTime ('now',new DateTimeZone('Europe/Paris')); $d2 = new DateTime ('now',new DateTimeZone('Europe/Paris')); $d1->setTimestamp($debut); $d2->setTimestamp($fin); $diff = $d1->diff($d2); print_r($diff); $d3 = $d1->add($diff); print_r($d3);

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33.89 ms | 402 KiB | 5 Q