setlocale
(PHP 4, PHP 5)
setlocale — Set locale information
说明
string setlocale
( int $category
, string $locale
[, string $…
] )
string setlocale
( int $category
, array $locale
)
Sets locale information.
参数
category
category is a named constant 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()
LC_MESSAGES for system responses (available if PHP was compiled with
libintl)
locale
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.
…
(Optional string or array parameters to try as locale settings until
success.)
Note:
On Windows, setlocale(LC_ALL, ) sets the locale names from the
systems regional/language settings (accessible via Control Panel).
返回值
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 »
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