strftime

Locale-formatted strftime using IntlDateFormatter (PHP 8.1 compatible)

This provides a cross-platform alternative to strftime() for when it will be removed from PHP.

Note that output can be slightly different between libc sprintf and this function as it is using ICU.

Original code: https://gist.github.com/bohwaz/42fc223031e2b2dd2585aab159a20f30

Original autor: BohwaZ

Table of contents

• Requirements
• Installation
  • Composer install
  • Manual install
• Usage
  • Original use
• Formats
  • Day
  • Week
  • Month
  • Year
  • Time
  • Time and Date Stamps
  • Miscellaneous

Requirements

• PHP >= 7.1.0
• ext-intl (Internationalization extension ICU)

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Installation

Composer install

You can install this plugin into your application using composer:

• Add php81_bc/strftime package to your project:

    composer require php81_bc/strftime

• Load the function PHP81_BC\strftime in your project

  <?php
    require 'vendor/autoload.php';
    use function PHP81_BC\strftime;

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Manual install

• Download php-8.1-strftime.php and save it to an accessible path of your project.
• Load the function PHP81_BC\strftime in your project

  <?php
    require 'php-8.1-strftime.php';
    use function PHP81_BC\strftime;

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Usage

  use function PHP81_BC\strftime;
  echo strftime('%A %e %B %Y %X', new \DateTime('2021-09-28 00:00:00'), 'fr_FR');

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Original use

  \setlocale(LC_TIME, 'fr_FR.UTF-8');
  echo \strftime('%A %e %B %Y %X', strtotime('2021-09-28 00:00:00'));

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Formats

Day

Format	Description	Example returned values
%a	An abbreviated textual representation of the day	Sun through Sat
%A	A full textual representation of the day	Sunday through Saturday
%d	Two-digit day of the month (with leading zeros)	01 to 31
%e	Day of the month, with a space preceding single digits	' 1' to '31'
%j	Day of the year, 3 digits with leading zeros	001 to 366
%u	ISO-8601 numeric representation of the day of the week	1 (for Monday) through 7 (for Sunday)
%w	Numeric representation of the day of the week	0 (for Sunday) through 6 (for Saturday)

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Week

Format	Description	Example returned values
%U	Week number of the given 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 the given year, starting withthe first week of the year with at least 4 weekdays, with Monday being the start of the week	01 through 53 (where 53 accounts for an overlapping week)
%W	A numeric representation of the week of the year, starting with the first Monday as the first week	46 (for the 46th week of the year beginning with a Monday)

NOTE: All week formats are two-digit, with leading zeros.

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Month

Format	Description	Example returned values
%b	Abbreviated month name, based on the locale	Jan through Dec
%B	Full month name, based on the locale	January through December
%h	Abbreviated month name, based on the locale (an alias of %b)	Jan through Dec
%m	Two digit representation of the month	01 (for January) through 12 (for December)

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Year

Format	Description	Example returned values
%C	Two digit representation of the century (year divided by 100, truncated to an integer)	19 for the 20th Century
%g	Two digit representation of the year going by ISO-8601:1988 standards (see %V)	Example: 09 for the week of January 6, 2009
%G	The full four-digit version of %g	Example: 2009 for the January 3, 2009
%y	Two digit representation of the year	Example: 09 for 2009, 79 for 1979
%Y	Four digit representation for the year	Example: 2038

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Time

Format	Description	Example returned values
%H	Two digit representation of the hour in 24-hour format	00 through 23
%k	Hour in 24-hour format, with a space preceding single digits	' 0' through '23'
%I	Two digit representation of the hour in 12-hour format	01 through 12
%l	(lower-case 'L') Hour in 12-hour format, with a space preceding single digits	' 1' through '12'
%M	Two digit representation of the minute	00 through 59
%p	UPPER-CASE 'AM' or 'PM' based on the given time	Example: AM for 00:31, PM for 22:23
%P	lower-case 'am' or 'pm' based on the given time	Example: am for 00:31, pm for 22:23
%r	Same as "%I:%M:%S %p"	Example: 09:34:17 PM for 21:34:17
%R	Same as "%H:%M"	Example: 00:35 for 12:35 AM, 16:44 for 4:44 PM
%S	Two digit representation of the second	00 through 59
%T	Same as "%H:%M:%S"	Example: 21:34:17 for 09:34:17 PM
%X	Preferred time representation based on locale, without the date	Example: 03:59:16 or 15:59:16
%z	The time zone offset	Example: -0500 for US Eastern Time
%Z	The time zone abbreviation	Example: EST for Eastern Time

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Time and Date Stamps

Format	Description	Example returned values
%c	Preferred date and time stamp based on locale	Example: Tue Feb 5 00:45:10 2009 for February 5, 2009 at 12:45:10 AM
%D	Same as "%m/%d/%y"	Example: 02/05/09 for February 5, 2009
%F	Same as "%Y-%m-%d" (commonly used in database datestamps)	Example: 2009-02-05 for February 5, 2009
%s	Unix Epoch Time timestamp (same as the time() function)	Example: 305815200 for September 10, 1979 08:40:00 AM
%x	Preferred date representation based on locale, without the time	Example: 02/05/09 for February 5, 2009

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Miscellaneous

Format	Description
%n	A newline character ("\n")
%t	A Tab character ("\t")
%%	A literal percentage character ("%")

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