15,008
edits
PHP and MySQL syntax: Difference between revisions
Jump to navigation
Jump to search
m
→current timestamp in seconds
| Line 59: | Line 59: | ||
The number of seconds since 1970/01/01. [https://zh.wikipedia.org/wiki/UTC%C2%B10 UTC±0] e.g. 2011-05-30 01:56:38 returns 1306720622 | The number of seconds since 1970/01/01. [https://zh.wikipedia.org/wiki/UTC%C2%B10 UTC±0] e.g. 2011-05-30 01:56:38 returns 1306720622 | ||
* BASH for {{Linux}} & {{Mac}}: {{kbd | key=<nowiki>echo $(date +%s)</nowiki>}} "%s - seconds since 1970-01-01 00:00:00 UTC"<ref>[https://linux.die.net/man/1/date date(1): print/set system date/time - Linux man page]</ref> | * BASH for {{Linux}} & {{Mac}}: {{kbd | key=<nowiki>echo $(date +%s)</nowiki>}} "%s - seconds since 1970-01-01 00:00:00 UTC"<ref>[https://linux.die.net/man/1/date date(1): print/set system date/time - Linux man page]</ref> | ||
* BASH for {{Mac}}: (1) {{kbd | key=<nowiki>brew install coreutils</nowiki>}} (2) key-in {{kbd | key=<nowiki>gdate +%s</nowiki>}}<ref>[https://superuser.com/questions/599072/how-to-get-bash-execution-time-in-milliseconds-under-mac-os-x macos - How to get Bash execution time in milliseconds under Mac OS X? - Super User]</ref> | * BASH for {{Mac}}: (1) {{kbd | key=<nowiki>brew install coreutils</nowiki>}} (2) key-in {{kbd | key=<nowiki>gdate +%s</nowiki>}}<ref>[https://www.gsp.com/cgi-bin/man.cgi?section=1&topic=gdate gdate(1) - print or set the system date and time]</ref><ref>[https://superuser.com/questions/599072/how-to-get-bash-execution-time-in-milliseconds-under-mac-os-x macos - How to get Bash execution time in milliseconds under Mac OS X? - Super User]</ref> | ||
* php: {{kbd | key=<nowiki>echo time();</nowiki>}} | * php: {{kbd | key=<nowiki>echo time();</nowiki>}} | ||
* php: {{kbd | key=<nowiki>echo microtime();</nowiki>}} [http://php.net/manual/en/function.microtime.php PHP: microtime - Manual] "Returns current Unix timestamp with microseconds" //ex: 0.45920500 1406776901 | * php: {{kbd | key=<nowiki>echo microtime();</nowiki>}} [http://php.net/manual/en/function.microtime.php PHP: microtime - Manual] "Returns current Unix timestamp with microseconds" //ex: 0.45920500 1406776901 | ||