Returns a number 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.
Parameters
format
Table 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
timestamp
The optional timestamp parameter is an
integer Unix timestamp that defaults to the current
local time if a timestamp is not given. In other
words, it defaults to the value of time().
As idate() always returns an integer and
as they can't start with a "0", idate() may return
fewer digits than you would expect. See the example below.
Errors/Exceptions
Every call to a date/time function will generate a E_NOTICE
if the time zone is not valid, and/or a E_STRICT message
if using the system settings or the TZ environment
variable. See also date_default_timezone_set()
ChangeLog
Version
Description
5.1.0
Now issues the E_STRICT and E_NOTICE
time zone errors.
Examples
Example 1. idate() example
<?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); ?>
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