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<?php $data = "UDISKLOG version=2 date=2019-02-21 firmware=FK254HS30_en_v132 No Mchn EnNo Name Mode IOMd DateTime 000001 1 000000001 ting 268435456 2305 2019/02/16 10:15:56 000002 1 000000001 ting 268435456 2305 2019/02/16 13:45:58 000003 1 000000001 ting 268435456 2305 2019/02/16 13:46:04 000004 1 001500022 julie 268435456 2305 2019/02/16 13:48:52 000005 1 000000001 ting 268435456 2305 2019/02/21 17:33:16 000006 1 000000001 ting 268435456 2305 2019/02/21 18:14:15 000007 1 001500022 julie 268435456 2305 2019/02/21 18:14:55 000008 1 000000002 marielle 268435456 2305 2019/02/21 18:18:15 000009 1 000000001 ting 268435456 2305 2019/02/21 18:52:54 000010 1 000000002 marielle 268435456 2305 2019/02/21 18:53:31 000011 1 000000002 marielle 268435456 2305 2019/02/21 18:55:57 000012 1 000000002 marielle 268435456 2305 2019/02/21 18:56:07 000013 1 001500022 julie 268435456 2305 2019/02/21 20:42:36 000014 1 000000001 ting 268435456 2305 2019/02/21 21:00:23 000015 1 000000001 ting 268435456 2305 2019/02/21 21:02:21 000016 1 000000001 ting 268435456 2305 2019/02/21 21:11:09"; $arr = array_slice(explode("\n", $data),2); foreach($arr as $line){ $temp = preg_split("/\s+/", $line); $result[$temp[2]]['name'] = $temp[3]; $result[$temp[2]][$temp[6]][] = end($temp); } Var_dump($result);
Output for 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
array(3) { ["000000001"]=> array(3) { ["name"]=> string(4) "ting" ["2019/02/16"]=> array(3) { [0]=> string(8) "10:15:56" [1]=> string(8) "13:45:58" [2]=> string(8) "13:46:04" } ["2019/02/21"]=> array(6) { [0]=> string(8) "17:33:16" [1]=> string(8) "18:14:15" [2]=> string(8) "18:52:54" [3]=> string(8) "21:00:23" [4]=> string(8) "21:02:21" [5]=> string(8) "21:11:09" } } ["001500022"]=> array(3) { ["name"]=> string(5) "julie" ["2019/02/16"]=> array(1) { [0]=> string(8) "13:48:52" } ["2019/02/21"]=> array(2) { [0]=> string(8) "18:14:55" [1]=> string(8) "20:42:36" } } ["000000002"]=> array(2) { ["name"]=> string(8) "marielle" ["2019/02/21"]=> array(4) { [0]=> string(8) "18:18:15" [1]=> string(8) "18:53:31" [2]=> string(8) "18:55:57" [3]=> string(8) "18:56:07" } } }

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