PHP obtains the system time

PHP obtains the system time

 

<? PHP
Echo date ("Y-m-d h: I: s ");
?>

<? PHP

Date_default_timezone_set ('Asia/Chongqing '); // the system time difference is 8 hours.
$ Now = getdate (Time ());
$ Cur_wday = $ now ['wday'];
$ Date = date ("Y-m-d h: I: S $ cweekday [$ cur_wday]");
Echo $ date;

?>

 

Meanings of specific letters:

A-"am" or "PM"

A-"am" or "PM"

B-swatch Internet time

D-the day of the month, which has two digits leading to zero, for example, "01" to "31"

D-the day of the week. The text represents three letters, for example, "fri"

F-month, complete text format, such as "January"

G-hour, 12-hour format, no leading zero, for example, "1" to "12"

G-hour, 24-hour format, no leading zero, for example, "0" to "23"

H-hour, 12-hour format, for example, "01" to "12"

H-hour, in 24-hour format, for example, "00" to "23"

I-minutes, for example, "00" to "59"

I (an uppercase letter of "I")-if it is "1", otherwise it is "0"

J-the day in the month, without leading zero, for example, "1" to "31"

L (lowercase letter of "L")-day of the week, complete text format, such as "Friday"

L-Boolean value indicates whether it is a leap year, for example, "0" or "1"

M-month, for example, "01" to "12"

M-month, represented in text, with three letters, for example, "Jan"

N-month, no leading zero, for example, "1" to "12"

O-hours different from Greenwich mean time, for example, "+ 0200"

Date in the format of R-RFC 822, such as "Thu, 21 Dec 2000 16:01:07 + 0200" (added in PHP 4.0.4)

S-seconds, for example, "00" to "59"

S-English suffix after the number of days per month, 2 characters, such as "St", "nd", "RD" or "th"

T-the number of days of a given month, for example, "28" to "31"

T-the time zone in which the local machine is located, for example, "est" or "MDT" ([note] the full text format is in windows, for example, "Eastern Standard Time ", the Chinese version displays "China Standard Time ".)

U-number of seconds since UNIX epoch (January 1 1970 00:00:00 GMT)

The day of the week, represented by a number, for example, "0" (Sunday) to "6" (Saturday)

Week of the Year in W-ISO-8601 format, starting from Monday each week (newly added in PHP 4.1.0)

Y-year, four digits, for example, "1999"

Y-annual fee, two digits, for example, "99"

The day of the Z-year, for example, "0" to "365"

The number of seconds of the Z-Time Difference offset (for example, "-43200" to "43200 "). The Time Zone offset to the west of UTC is always negative, and the time zone offset to the east of UTC is always positive.