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PHP and MySQL syntax: Difference between revisions
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→today & yesterday
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* MySQL: {{kbd | key=<nowiki>SELECT CURRENT_DATE;</nowiki>}} or {{kbd | key=<nowiki>SELECT CURDATE();</nowiki>}} Returns {{Template:Today}} <ref>[http://dev.mysql.com/doc/refman/5.5/en/date-and-time-functions.html#function_curdate MySQL :: MySQL 5.5 Reference Manual :: 12.7 Date and Time Functions]</ref> | * MySQL: {{kbd | key=<nowiki>SELECT CURRENT_DATE;</nowiki>}} or {{kbd | key=<nowiki>SELECT CURDATE();</nowiki>}} Returns {{Template:Today}} <ref>[http://dev.mysql.com/doc/refman/5.5/en/date-and-time-functions.html#function_curdate MySQL :: MySQL 5.5 Reference Manual :: 12.7 Date and Time Functions]</ref> | ||
* EXCEL: {{kbd | key=<nowiki>=TODAY()</nowiki>}} Returns {{CURRENTYEAR}}/{{CURRENTMONTH}}/{{CURRENTDAY2}} <ref>[http://office.microsoft.com/en-gb/excel-help/today-function-HP010062297.aspx TODAY function - Excel - Office.com]</ref> | * EXCEL: {{kbd | key=<nowiki>=TODAY()</nowiki>}} Returns {{CURRENTYEAR}}/{{CURRENTMONTH}}/{{CURRENTDAY2}} <ref>[http://office.microsoft.com/en-gb/excel-help/today-function-HP010062297.aspx TODAY function - Excel - Office.com]</ref> | ||
* | * Shell script in {{Linux}} or {{Mac}} with GUN {{kbd | key=<nowiki>date</nowiki>}} installed. | ||
** {{kbd | key=<nowiki> echo $(date +"%Y-%m-%d")</nowiki>}} or {{kbd | key=<nowiki> echo `date +\%Y-\%m-\%d` 2>&1</nowiki>}} or {{kbd | key=<nowiki>date +"%Y-%m-%d"</nowiki>}} Returns {{Template:Today}}<ref>[http://www.logikdev.com/2010/05/25/using-the-date-command-in-your-crontab/ Using the ‘date’ command in your crontab]</ref> | |||
** specify timezone: {{kbd | key=<nowiki>echo $(TZ=":Asia/Taipei" date +"%Y-%m-%d")</nowiki>}} or {{kbd | key=<nowiki>echo $(TZ=":US/Eastern" date +"%Y-%m-%d")</nowiki>}}<ref>[http://unix.stackexchange.com/questions/48101/how-can-i-have-date-output-the-time-from-a-different-timezone How can I have `date` output the time from a different timezone? - Unix & Linux Stack Exchange]</ref> | |||
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* EXCEL: | * EXCEL: | ||
* PHP: | * PHP: | ||
* | * Shell script in {{Linux}} with GUN {{kbd | key=<nowiki>date</nowiki>}} installed. Not work on {{Mac}} | ||
** {{kbd | key=<nowiki> echo $(date -d "yesterday" '+%Y-%m-%d')</nowiki>}}<ref>[http://stackoverflow.com/questions/15374752/get-yesterdays-date-in-bash-on-linux-dst-safe Get yesterday's date in bash on Linux, DST-safe - Stack Overflow] & [http://stackoverflow.com/questions/1706882/get-the-date-a-day-before-current-time-in-bash unix - Get the date (a day before current time) in Bash - Stack Overflow]</ref> //Returns sample: {{CURRENTYEAR}}-{{CURRENTMONTH}}-24 | |||
** specify timezone: {{kbd | key=<nowiki>echo $(TZ=":Asia/Taipei" date -d "yesterday" '+%Y-%m-%d')</nowiki>}} or {{kbd | key=<nowiki>echo $(TZ=":US/Eastern" date -d "yesterday" '+%Y-%m-%d')</nowiki>}} | |||
=== specified time === | === specified time === | ||