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** {{kbd | key==( unix_time_stamp /86400)+DATE(1970,1,1) }} // convert the unix time stamp 1421539200 to the human readable time format 2015/1/18 <ref>[http://www.bajb.net/2010/05/excel-timestamp-to-date/ Excel Timestamp to Date ← Automate Everything]</ref> | ** {{kbd | key==( unix_time_stamp /86400)+DATE(1970,1,1) }} // convert the unix time stamp 1421539200 to the human readable time format 2015/1/18 <ref>[http://www.bajb.net/2010/05/excel-timestamp-to-date/ Excel Timestamp to Date ← Automate Everything]</ref> | ||
==== Convert human-readable time to '''timestamp''' ==== | ==== Convert human-readable time to '''timestamp''' (string to timestamp) ==== | ||
* PHP: using [http://php.net/manual/en/function.strtotime.php strtotime()] function ex: strtotime('2010-12-21 10:05:06') <ref>[http://stackoverflow.com/questions/113829/how-to-convert-date-to-timestamp-in-php How to convert date to timestamp in PHP? - Stack Overflow]</ref> | * PHP: using [http://php.net/manual/en/function.strtotime.php strtotime()] function ex: strtotime('2010-12-21 10:05:06') <ref>[http://stackoverflow.com/questions/113829/how-to-convert-date-to-timestamp-in-php How to convert date to timestamp in PHP? - Stack Overflow]</ref> | ||
* mysql: | * mysql: | ||