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                                   setlocale

   (PHP 3, PHP 4 )
   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()

   If locale is 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 NULL or "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.

     Note: 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.

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

     Tip: Windows users will find useful information about locale
     strings at Microsoft's MSDNwebsite. Supported language strings can
     be found here and supported country/region strings here. Windows
     systems support the three letter codes for country/region specified
     by ISO 3166-Alpha-3, which can be found at this Unicode website .

   Example 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'";
   ?>

   Example 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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