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PHP Tutorial

PHP: strftime() function

Description

The strftime() function is used to get a local time/date format according to the localization settings.

Version:

(PHP 4 and above)

Syntax:

strftime(format, timestamp )

Parameters:

Name Description Required /
Optional
Type
format Day :
%a - Short day abbreviation ( Sun through Sat)
%A - A full day name ( Sunday through Saturday)
%d - Numeric day of the month with leading zeros (01 to 31)
%e - Day of the month without leading zeros (1 to 31 )
%j - Day of the year, 3 digits with leading zeros (001 to 366)
%u - ISO-8601 numeric day of the week 1 (for Monday) through 7 (for Sunday)
%w - Numeric day of the week 0 (for Sunday) through 6 (for Saturday)

Week :
%U - Week number of a specified year, starting with the first Sunday as the first week 13 (for the 13th full week of the year)
%V - ISO-8601:1988 week number of a specific year, starting the first week of the year with at least 4 weekdays. Example : Monday being the start of the week 01 through 53
%W - Numeric representation of week number of year. Week starting from Monday

Month :
%b - Abbreviated month name (Jan through Dec)
%B - Full month name (January through December)
%h - Abbreviated month name (Jan through Dec)
%m - Numeric representation of the month in two digits 01 (for January) through 12 (for December)

Year :
%C - Numeric representation of the century in two digits
%g - Two digit representation of the year going by ISO-8601:1988 standards
%G - The full four-digit representation of the year
%y - Numeric representation of the year in two digits (Example: 99 for1999)
%Y - Four digit representation for the year Example: 2011

Time :

%H - 24-hour format of an hour (00 through 23)
%I - 12-hour format of an hour (01 through 12 )
%l - 12-hour format of an hour without leading zeros (1 to 12)
%M -Minutes with leading zeros (00 through 59)
%p - UPPER-CASE 'AM' or 'PM'
%P - lower-case 'am' or 'pm'
%r - Same as "%I:%M:%S %p"
%R - Same as "%H:%M"
%S - Seconds with leading zero (00 through 59)
%T - Same as "%H:%M:%S"
%X - Represent times without the date
%z - The time zone offset from UTC or the abbreviation
%Z - The time zone offset or abbreviation if option NOT given by %z

Time and Date Stamps :
%c - A specific date and time stamp based on local
%D - Same as "%m/%d/%y"
%F - Same as "%Y-%m-%d" (usually used in database datestamps)
%s - Unix Epoch Time timestamp
%x - A date representation based on locale date, without the time

Miscellaneous :

%n - A newline character ("\n")
%t - A Tab character ("\t")
%% - A literal percentage character ("%")
optional string
timestamp An integer indicates the unixtimestamp. If a timestamp is not supplied, it gives the current local time. optional integer

Return value

A formatted string.

Value Type: String.

Example:

<?php
echo(strftime("%B %D %Y %X", mktime(10,0,0,11,21,2004))."<br />");
echo(strftime("%b %d %Y %X", mktime(20,0,0,12,31,98))."<br />");
echo(strftime("Today is %a on %b %d, %Y, %X time zone: %Z",time()));
?>

Sample Output:

November  2004 10:00:00
Dec 31 1998 20:00:00
Today is Wed on Jan 19, 2011, 06:02:31 time zone: India Standard Time

View the example in the browser

See also

PHP Function Reference



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