Time function _php

Here are some of the time functions in PHP:

(1) Date

Usage:

Date (format, 1141064899);

If there is no time parameter, the current time is used. The format is a string in which the following characters have special meanings:

You replace the number of seconds from a start time (as if it were January 1, 1970) with a 4-bit era name.

Y Replace with 2-bit era name.

F Replace the full English name of the month.

M replaced by the abbreviation of the month.

M replaced by the number of months.

Z is replaced by the number of days since January 1 of the year.

D replaces the number of Rewardcash octopus.

L Replace the day of the week with the full English name.

D Replace the English abbreviation of the day of the week.

W replaces the Day of the Week (number).

H is replaced by the number of hours (24-hour system).

H is replaced by the number of hours (12-hour system).

I replace it with the number of minutes.

S is replaced by the number of seconds.

A is replaced with "AM" or "PM".

A is replaced with "AM" or "PM".

S replaces the sequential numeric suffix, for example: "St", "nd", "rd", "th".

The function returns a format string that has been replaced.

　

(2) getdate (time)

Returns a hash table with each subscript being:

"Seconds"--number of seconds

"Minutes"--Score

"Hours"--Number of hours

"Mday"--Number of days

"Mon"--Number of months

"Year"--era name

"Yday"-the number of days since January 1

"Weekday"--day of the week, English full name

"Month"--month, full name in English

　

(3) Gmdate

Similar to date, but the time is first converted to Greenwich standard.

　

(4) Mktime

Usage:

Mktime (hours, fractions, seconds, month, day, year); Returns a time value that can be used for other functions.

　

(5) Time

Usage:

Time (); Returns the number of seconds since zero January 1, 1970.

　

(6) Microtime

Usage:

Microtime (); Returns a string separated into two parts, followed by time ()

The first part of the return value is the number of microseconds.



(7) Checkdate

Usage:

Checkdate (month, day, year); Returns logical TRUE or logical false. If:

The year between 1900 and 32767 (including 1900 and 32767);
The month is between 1 and 12;
Day within the allowable days of the month (considering leap years);

Returns the logical true.

　

(8) Set_time_limit

Usage:

Set_time_limit (number of seconds);

Specifies that the program must run at the end of the specified number of seconds from the time the sentence is run, and the program exits with an error.

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