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# setlocale

(PHP 3, PHP 4 , PHP 5)

setlocale -- Set locale information

## Description

string setlocale ( mixed category, string locale [, string ...] )
string setlocale ( mixed category, array locale )

category is a named constant (or string) specifying the category of the functions affected by the locale setting:

- LC_ALL for all of the below

- LC_COLLATE for string comparison, see strcoll()

- LC_CTYPE for character classification and conversion, for example strtoupper()

- LC_MONETARY for localeconv()

- LC_NUMERIC for decimal separator (See also localeconv())

- LC_TIME for date and time formatting with strftime()

> Megjegyzés: As of PHP 4.2.0, passing category as a string is deprecated, use the above constants instead. Passing them as a string (within quotes) will result in a warning message.

If locale is `NULL` or the empty string "", the locale names will be set from the values of environment variables with the same names as the above categories, or from "LANG".

If locale is "0", the locale setting is not affected, only the current setting is returned.

If locale is an array or followed by additional parameters then each array element or parameter is tried to be set as new locale until success. This is useful if a locale is known under different names on different systems or for providing a fallback for a possibly not available locale.

> Megjegyzés: Passing multiple locales is not available before PHP 4.3.0

Setlocale returns the new current locale, or `FALSE` if the locale functionality is not implemented on your platform, the specified locale does not exist or the category name is invalid. An invalid category name also causes a warning message. Category/locale names can be found in RFC 1766 and ISO 639. Different systems have different naming schemes for locales.

> Megjegyzés: The return value of setlocale() depends on the system that PHP is running. It returns exactly what the system setlocale function returns.

> Tipp: Windows users will find useful information about locale strings at Microsoft's MSDNwebsite. Supported language strings can be found at http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vclib/html/_crt_language_strings.asp and supported country/region strings at http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vclib/html/_crt_country_strings.asp. Windows systems support the three letter codes for country/region specified by ISO 3166-Alpha-3, which can be found at this Unicode website .

Példa 1. setlocale() Examples

`<?php /* Set locale to Dutch */ setlocale(LC_ALL, 'nl_NL'); /* Output: vrijdag 22 december 1978 */ echo strftime("%A %e %B %Y", mktime(0, 0, 0, 12, 22, 1978)); /* try different possible locale names for german as of PHP 4.3.0 */ $loc_de = setlocale(LC_ALL, 'de_DE@euro', 'de_DE', 'de', 'ge'); echo "Preferred locale for german on this system is '$loc_de'"; ?>`

Példa 2. setlocale() Examples for Windows

`<?php /* Set locale to Dutch */ setlocale(LC_ALL, 'nld_nld'); /* Output: vrijdag 22 december 1978 */ echo strftime("%A %d %B %Y", mktime(0, 0, 0, 12, 22, 1978)); /* try different possible locale names for german as of PHP 4.3.0 */ $loc_de = setlocale(LC_ALL, 'de_DE@euro', 'de_DE', 'deu_deu'); echo "Preferred locale for german on this system is '$loc_de'"; ?>`

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