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PHP and MySQL syntax: Difference between revisions
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→specified time
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=== specified time === | === specified time === | ||
==== | ==== Convert the unix timestamp to '''human readable''' time format ==== | ||
ex: 2010-12-21 10:05:06 | ex: 2010-12-21 10:05:06 | ||
* [http://www.epochconverter.com/ Epoch Converter - Unix Timestamp Converter] | * [http://www.epochconverter.com/ Epoch Converter - Unix Timestamp Converter] | ||
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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''' ==== | ||
* 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: | ||
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* MySQL: [http://dev.mysql.com/doc/refman/5.1/en/date-and-time-functions.html#function_str-to-date STR_TO_DATE(str,format)] ex: {{kbd | key=SELECT STR_TO_DATE('{{CURRENTMONTHNAME}} {{CURRENTDAY}}, {{CURRENTYEAR}}','%M %d, %Y');}}<ref>[http://stackoverflow.com/questions/7027129/mysql-monthname-from-numbers MySQL MONTHNAME() from numbers - Stack Overflow]</ref> | * MySQL: [http://dev.mysql.com/doc/refman/5.1/en/date-and-time-functions.html#function_str-to-date STR_TO_DATE(str,format)] ex: {{kbd | key=SELECT STR_TO_DATE('{{CURRENTMONTHNAME}} {{CURRENTDAY}}, {{CURRENTYEAR}}','%M %d, %Y');}}<ref>[http://stackoverflow.com/questions/7027129/mysql-monthname-from-numbers MySQL MONTHNAME() from numbers - Stack Overflow]</ref> | ||
* Excel | * Excel | ||
==== Previous month based on current month ==== | |||
* PHP | |||
* MySQL | |||
* Excel: {{kbd | key = <nowiki>=YEAR(EOMONTH(NOW(), -2)+1)&"-"&TEXT(MONTH(EOMONTH(NOW(), -2)+1), "00")</nowiki>}} // Returns YYYY-MM <ref>[https://exceljet.net/formula/get-first-day-of-previous-month Excel formula: Get first day of previous month | Exceljet]</ref> | |||
=== PHP microtime to MySQL timestamp === | === PHP microtime to MySQL timestamp === | ||