(1) Date
Usage:
Date (format, [time]);
If there is no time parameter, the current time is used.
The format is a string in which the following characters have special meanings:
U is replaced by the number of seconds since a starting time (as if it were January 1, 1970)
Y Replace with 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:
[1] The year between 1900 and 32767 (including 1900 with 32767);
[2] months between 1 to 12;
[3] days 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.
Timeout the program error exits.
http://www.bkjia.com/PHPjc/445587.html www.bkjia.com true http://www.bkjia.com/PHPjc/445587.html techarticle (1) Date usage: date (format, [time]); If there is no time parameter, the current time is used. The format is a string in which the following characters have special meanings: U Replace with a starting time (OK ...
