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# idate

(PHP 5)

idate -- Format a local time/date as integer

## Description

int idate ( string format [, int timestamp] )

Returns a string formatted according to the given format string using the given integer timestamp or the current local time if no timestamp is given. In other words, timestamp is optional and defaults to the value of time().

Unlike the function date(), idate() accepts just one char in the format parameter.

表格 1. The following characters are recognized in the format parameter string

format character | Description
--- | ---
B | Swatch Beat/Internet Time
d | Day of the month
h | Hour (12 hour format)
H | Hour (24 hour format)
i | Minutes
I | returns 1 if DST is activated, 0 otherwise
L | returns 1 for leap year, 0 otherwise
m | Month number
s | Seconds
t | Days in current month
U | Seconds since the Unix Epoch - January 1 1970 00:00:00 GMT - this is the same as time()
w | Day of the week (0 on Sunday)
W | ISO-8601 week number of year, weeks starting on Monday
y | Year (1 or 2 digits - check note below)
Y | Year (4 digits)
z | Day of the year
Z | Timezone offset in seconds

> 注: As idate() returns always an integer and as they can't start with a "0", idate() may return less digits then you would expect. See the example below:

`<?php $timestamp = strtotime('1st January 2004'); //1072915200 // this prints the year in a two digit format // however, as this would start with a "0", it // only prints "4" echo idate('y', $timestamp); ?>`

See also date() and time().

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