PHP series (eight) PHP date time

1, Date_default_timezone_set ("PRC");// Set default time zone

$t = time ();

Echo $t;

$d = Date("Y year M D Day H:i:s", $t);//Thedata function formats the timestamp as a more readable date and time.

Echo $d;

Display as: 14,646,786,492,016 May 31 15:10:49

2, Microtime the (true) function returns the current Unix timestamp and the number of microseconds.

$t 1 = microtime (true);
// ... Execute code ...
$t 2 = Microtime (true);
Echo ' time-consuming '. Round ($t 2-$t 1,3). ' Seconds ';

3, Strtotime () function to parse the datetime description of any English text into a UNIX timestamp

echo Date (' y-m-d h:i:s ', Strtotime (' Now ') +8*60*60);
Result: 2013-04-05 03:15:02

Gets the timestamp of the current time!

4, Mktime () function returns the Unix timestamp of a date

echo Date ("M-d-y", mktime (0, 0, 0, 12, 32,1997));

Display as: jan-01-1998

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PHP series (eight) PHP date time