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<?php function date_to_unix($date){ // converts 20140526 - 1401062400 $date = DateTime::createFromFormat('Ymd', $date); return (int) $date->format('U'); } function unix_to_date($unix){ // converts 1401062400 - 20140526 $date = DateTime::createFromFormat('U', $unix); return (int) $date->format('Ymd'); } $date = date("Ymd"); echo "date $date\n"; // date 20140525 $time = time(); echo "time $time\n"; // time 1401069030 $unix = date_to_unix($date); echo "unix $unix\n"; // unix 1401069030 $date = unix_to_date($unix); echo "date $date\n"; // date 20140526

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