I'm looking for a list of all locales and their short codes for a PHP application I am writing. Is there much variation in this data between platforms?
Also, if I am developing an international application, can I just support one version of English or are there significant differences in English across the world?
In computing, a locale is a set of parameters that defines the user's language, region and any special variant preferences that the user wants to see in their user interface. Usually a locale identifier consists of at least a language code and a country/region code.
Irvine Dataflow (Id) is a general-purpose parallel programming language, started at the University of California at Irvine in 1975 by Arvind and K. P. Gostelow. Arvind continued work with Id at MIT into the 1990s. The major subset of Id is a purely functional programming language with non-strict semantics.
The locale consists of a number of categories for which there is country-dependent formatting or other specifications. A program's locale defines its codesets, date and time formatting conventions, monetary conventions, decimal formatting conventions, and collation (sort) order.
The locale identifier (LCID) is a 32-bit value that uniquely defines a locale. ASP uses the default locale of the Web server unless you specify a different locale for a particular script.
The importance of locales is that your environment/os can provide formatting functionality for all installed locales even if you don't know about them when you write your application. My Windows 7 system has 211 locales installed (listed below), so you wouldn't likely write any custom code or translation specific to this many locales.
Edit: The original list of locales has been edited to add additional locales that were not included before. Now 228 listed.
The most important thing for various versions of English is in formatting numbers and dates. Other differences are significant to the extent that you want and able to cater to specific variations.
af-ZA
am-ET
ar-AE
ar-BH
ar-DZ
ar-EG
ar-IQ
ar-JO
ar-KW
ar-LB
ar-LY
ar-MA
arn-CL
ar-OM
ar-QA
ar-SA
ar-SD
ar-SY
ar-TN
ar-YE
as-IN
az-az
az-Cyrl-AZ
az-Latn-AZ
ba-RU
be-BY
bg-BG
bn-BD
bn-IN
bo-CN
br-FR
bs-Cyrl-BA
bs-Latn-BA
ca-ES
co-FR
cs-CZ
cy-GB
da-DK
de-AT
de-CH
de-DE
de-LI
de-LU
dsb-DE
dv-MV
el-CY
el-GR
en-029
en-AU
en-BZ
en-CA
en-cb
en-GB
en-IE
en-IN
en-JM
en-MT
en-MY
en-NZ
en-PH
en-SG
en-TT
en-US
en-ZA
en-ZW
es-AR
es-BO
es-CL
es-CO
es-CR
es-DO
es-EC
es-ES
es-GT
es-HN
es-MX
es-NI
es-PA
es-PE
es-PR
es-PY
es-SV
es-US
es-UY
es-VE
et-EE
eu-ES
fa-IR
fi-FI
fil-PH
fo-FO
fr-BE
fr-CA
fr-CH
fr-FR
fr-LU
fr-MC
fy-NL
ga-IE
gd-GB
gd-ie
gl-ES
gsw-FR
gu-IN
ha-Latn-NG
he-IL
hi-IN
hr-BA
hr-HR
hsb-DE
hu-HU
hy-AM
id-ID
ig-NG
ii-CN
in-ID
is-IS
it-CH
it-IT
iu-Cans-CA
iu-Latn-CA
iw-IL
ja-JP
ka-GE
kk-KZ
kl-GL
km-KH
kn-IN
kok-IN
ko-KR
ky-KG
lb-LU
lo-LA
lt-LT
lv-LV
mi-NZ
mk-MK
ml-IN
mn-MN
mn-Mong-CN
moh-CA
mr-IN
ms-BN
ms-MY
mt-MT
nb-NO
ne-NP
nl-BE
nl-NL
nn-NO
no-no
nso-ZA
oc-FR
or-IN
pa-IN
pl-PL
prs-AF
ps-AF
pt-BR
pt-PT
qut-GT
quz-BO
quz-EC
quz-PE
rm-CH
ro-mo
ro-RO
ru-mo
ru-RU
rw-RW
sah-RU
sa-IN
se-FI
se-NO
se-SE
si-LK
sk-SK
sl-SI
sma-NO
sma-SE
smj-NO
smj-SE
smn-FI
sms-FI
sq-AL
sr-BA
sr-CS
sr-Cyrl-BA
sr-Cyrl-CS
sr-Cyrl-ME
sr-Cyrl-RS
sr-Latn-BA
sr-Latn-CS
sr-Latn-ME
sr-Latn-RS
sr-ME
sr-RS
sr-sp
sv-FI
sv-SE
sw-KE
syr-SY
ta-IN
te-IN
tg-Cyrl-TJ
th-TH
tk-TM
tlh-QS
tn-ZA
tr-TR
tt-RU
tzm-Latn-DZ
ug-CN
uk-UA
ur-PK
uz-Cyrl-UZ
uz-Latn-UZ
uz-uz
vi-VN
wo-SN
xh-ZA
yo-NG
zh-CN
zh-HK
zh-MO
zh-SG
zh-TW
zu-ZA
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