WeberDev.com -> PHP Manual -> Format a local time/date as integer

Description

int idate ( string $format [, int $timestamp ] )

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

**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 (uppercase i)	returns 1 if DST is activated, 0 otherwise
L (uppercase 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 UTC - 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().

Return Values

Returns an integer.

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);
?>