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PHP and MySQL syntax: Difference between revisions
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→current timestamp
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==== current '''timestamp''' ==== | ==== current '''timestamp''' ==== | ||
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 | |||
* 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 | ||
* mysql: {{kbd | key=<nowiki>SELECT UNIX_TIMESTAMP();</nowiki>}} | * mysql: {{kbd | key=<nowiki>SELECT UNIX_TIMESTAMP();</nowiki>}} | ||
* javascript: getTime() Method ex: {{kbd | key=<nowiki>new Date().getTime();</nowiki>}} //Return the number of milliseconds since 1970/01/01 <ref>[http://w3schools.com/jsref/jsref_gettime.asp JavaScript getTime() Method]</ref> | * javascript: getTime() Method ex: {{kbd | key=<nowiki>new Date().getTime();</nowiki>}} //Return the number of milliseconds since 1970/01/01 <ref>[http://w3schools.com/jsref/jsref_gettime.asp JavaScript getTime() Method]</ref> | ||
* EXCEL: [http://stackoverflow.com/questions/1703505/excel-date-to-unix-timestamp Excel date to Unix timestamp - Stack Overflow] | * EXCEL: [http://stackoverflow.com/questions/1703505/excel-date-to-unix-timestamp Excel date to Unix timestamp - Stack Overflow] | ||
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*/ | */ | ||
</pre> | </pre> | ||
=== specified time === | === specified time === | ||