PHP World Date: Prints formatted date string

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2020-09-19 (3 days ago) RSS 2.0 feedNot yet rated by the usersTotal: 139 This week: 13All time: 8,971 This week: 19Up
Version License PHP version Categories
world-date 1.0Custom (specified...5PHP 5, Time and Date, Geography
Description Author

This class is an enhanced replacement for the PHP date() function.

It returns time for any world timezone, including zone abbreviations and fully spelled out names of zones.

It takes as a parameter string with the name of a timezone (and optionally other parameters).

The class can also retrieve a list of known timezone names from a JSON configuration file and returns the given timezone full name, the abbreviated name and offset from UTC.

Innovation Award
PHP Programming Innovation award nominee
February 2019
Number 7
Many applications need to deal with the local time in different zones of the world.

Each time zone has an abbreviated name but humans understand better a more readable name.

This class can return the names of timezone either in short and full form, so applications can display the full name form in a user friendly manner.

Manuel Lemos
Picture of Peter Kahl
  Performance   Level  
Name: Peter Kahl <contact>
Classes: 37 packages by
Country: United Kingdom
Age: ???
All time rank: 45822 in United Kingdom
Week rank: 11 Up1 in United Kingdom Up
Innovation award
Innovation award
Nominee: 23x

Winner: 2x

Details

World Date ???

Downloads GitHub If this project has business value for you then don't hesitate to support me with a small donation.

Enhanced replacement for the PHP date() function. World timezones, abbreviations, full names, custom names.

Returns properly formatted date string including correct timezone abbreviation (eg, '2019-03-02 23:31:50 TST +0800'). Non-standard format character Q returns the full timezone name (eg, 'Taiwan Standard Time').

Names of timezones are politically contentious. China CCP (next to other dictatorial regimes) enforces its coercive will worldwide, even into the realm of Linux's tzdata; timezone names of regions such as Taiwan are deliberately omitted to appease the despot. This library will free you of this fetter. Give the despot a finger!

image

The Stench ?

PHP date('T') will not always return timezone abbreviation.

$DateObj = new DateTime('now');

$DateObj->setTimeZone(new DateTimeZone('Europe/London');
echo $DateObj->format('T'); # Prints 'GMT' as it should, but ...

$DateObj->setTimeZone(new DateTimeZone('Asia/Dubai');
echo $DateObj->format('T'); # Prints '+0400' although you would expect 'GST'!

# This is because PHP uses Linux's tzdata which lacks most timezone abbreviations.

The Solution ?????

use peterkahl\WorldDate\WorldDate;

$wDate = new WorldDate;



# Get formatted time string for GMT zone (current time, i.e. current epoch):
echo $wDate->GetFormattedTimeString(); # 2019-03-03 08:06:18 GMT +0000


# Current time in Moscow:
echo $wDate->GetFormattedTimeString('Europe/Moscow'); # 2019-03-03 11:06:18 MSK +0300


# Current time spelled out:
echo $wDate->GetFormattedTimeString('Europe/Moscow', 'now', 'H:i Q'); # 11:06 Moscow Time
echo $wDate->GetFormattedTimeString('Europe/Paris', 'now', 'H:i Q');  # 09:06 Central European Time



# Get formatted time string for given zone (arbitrary epoch):
echo $wDate->GetFormattedTimeString('Asia/Tokyo', 1553817600);        # 2019-03-29 09:00:00 JST +0900

echo $wDate->GetFormattedTimeString('Asia/Novosibirsk', 1553817600);  # 2019-03-29 07:00:00 NOVT +0700

echo $wDate->GetFormattedTimeString('Europe/London', 1553817600);     # 2019-03-29 00:00:00 GMT +0000

echo $wDate->GetFormattedTimeString('America/Santiago', 1553817600);  # 2019-03-28 21:00:00 CLST -0300

# Define your own date format:
echo $wDate->GetFormattedTimeString('America/Santiago', 1553817600, 'H:i:s T'); # 21:00:00 CLST



# The non-standard format character 'Q' will produce full name of timezone:
echo $wDate->GetFormattedTimeString('Asia/Novosibirsk', 1553817600, 'F j, Y, g:i a (Q)');
# March 29, 2019, 7:00 am (Novosibirsk Standard Time)


echo $wDate->GetFormattedTimeString('Europe/London', 1553817600, 'j F Y, g:i a Q');
# 29 March 2019, 0:00 am Greenwich Mean Time



# Get formatted time string for given zone (current time, i.e. current epoch):
echo $wDate->GetFormattedTimeString('Asia/Hong_Kong');      # 2019-03-03 12:40:24 HKT +0800

echo $wDate->GetFormattedTimeString('Asia/Taipei');         # 2019-03-03 12:40:24 TST +0800

echo $wDate->GetFormattedTimeString('Asia/Tehran');         # 2019-03-03 08:10:24 IRST +0330

echo $wDate->GetFormattedTimeString('Europe/Rome');         # 2019-03-03 05:40:24 CET +0100

echo $wDate->GetFormattedTimeString('America/New_York');    # 2019-03-02 23:40:24 EST -0500

echo $wDate->GetFormattedTimeString('America/Los_Angeles'); # 2019-03-02 20:40:24 PST -0800

# Define your own date format:
echo $wDate->GetFormattedTimeString('America/Los_Angeles', 'now', 'H:i:s T (Q)');
# 20:40:24 PST (Pacific Standard Time)



# Get abbreviation from zone db name:
echo $wDate->GetAbbr('Asia/Dubai');             # GST
# ...or for specific epoch
echo $wDate->GetAbbr('Asia/Dubai', 1553817600); # GST
# ...or the same using:
echo $wDate->GetFormattedTimeString('Asia/Dubai', 'now', 'T'); # GST


# Get full name from zone db name:
echo $wDate->GetName('Asia/Dubai');             # Gulf Standard Time
# ...or the same using:
echo $wDate->GetFormattedTimeString('Asia/Dubai', 1553817600, 'Q'); # Gulf Standard Time
# ...or the same using:
echo $wDate->GetFormattedTimeString('Asia/Dubai', 'now', 'Q');      # Gulf Standard Time


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  Accessible without login Plain text file timezones.json Data Auxiliary data
  Plain text file WorldDate.php Class Renamed library

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