nl_langinfo

(PHP 4 >= 4.1.0, PHP 5, PHP 7, PHP 8)

nl_langinfoQuery language and locale information

说明

nl_langinfo(int $item): string|false

nl_langinfo() is used to access individual elements of the locale categories. Unlike localeconv(), which returns all of the elements, nl_langinfo() allows you to select any specific element.

参数

item

item may be an integer value of the element or the constant name of the element. The following is a list of constant names for item that may be used and their description. Some of these constants may not be defined or hold no value for certain locales.

nl_langinfo Constants
Constant Description
LC_TIME Category Constants
ABDAY_(1-7) Abbreviated name of n-th day of the week.
DAY_(1-7) Name of the n-th day of the week (DAY_1 = Sunday).
ABMON_(1-12) Abbreviated name of the n-th month of the year.
MON_(1-12) Name of the n-th month of the year.
AM_STR String for Ante meridian.
PM_STR String for Post meridian.
D_T_FMT String that can be used as the format string for strftime() to represent time and date.
D_FMT String that can be used as the format string for strftime() to represent date.
T_FMT String that can be used as the format string for strftime() to represent time.
T_FMT_AMPM String that can be used as the format string for strftime() to represent time in 12-hour format with ante/post meridian.
ERA Alternate era.
ERA_YEAR Year in alternate era format.
ERA_D_T_FMT Date and time in alternate era format (string can be used in strftime()).
ERA_D_FMT Date in alternate era format (string can be used in strftime()).
ERA_T_FMT Time in alternate era format (string can be used in strftime()).
LC_MONETARY Category Constants
INT_CURR_SYMBOL International currency symbol.
CURRENCY_SYMBOL Local currency symbol.
CRNCYSTR Same value as CURRENCY_SYMBOL.
MON_DECIMAL_POINT Decimal point character.
MON_THOUSANDS_SEP Thousands separator (groups of three digits).
MON_GROUPING Like "grouping" element.
POSITIVE_SIGN Sign for positive values.
NEGATIVE_SIGN Sign for negative values.
INT_FRAC_DIGITS International fractional digits.
FRAC_DIGITS Local fractional digits.
P_CS_PRECEDES Returns 1 if CURRENCY_SYMBOL precedes a positive value.
P_SEP_BY_SPACE Returns 1 if a space separates CURRENCY_SYMBOL from a positive value.
N_CS_PRECEDES Returns 1 if CURRENCY_SYMBOL precedes a negative value.
N_SEP_BY_SPACE Returns 1 if a space separates CURRENCY_SYMBOL from a negative value.
P_SIGN_POSN
  • Returns 0 if parentheses surround the quantity and CURRENCY_SYMBOL.
  • Returns 1 if the sign string precedes the quantity and CURRENCY_SYMBOL.
  • Returns 2 if the sign string follows the quantity and CURRENCY_SYMBOL.
  • Returns 3 if the sign string immediately precedes the CURRENCY_SYMBOL.
  • Returns 4 if the sign string immediately follows the CURRENCY_SYMBOL.
N_SIGN_POSN
LC_NUMERIC Category Constants
DECIMAL_POINT Decimal point character.
RADIXCHAR Same value as DECIMAL_POINT.
THOUSANDS_SEP Separator character for thousands (groups of three digits).
THOUSEP Same value as THOUSANDS_SEP.
GROUPING  
LC_MESSAGES Category Constants
YESEXPR Regex string for matching "yes" input.
NOEXPR Regex string for matching "no" input.
YESSTR Output string for "yes".
NOSTR Output string for "no".
LC_CTYPE Category Constants
CODESET Return a string with the name of the character encoding.

返回值

Returns the element as a string, or false if item is not valid.

示例

示例 #1 nl_langinfo() example

<?php

var_dump
(nl_langinfo(CODESET));
var_dump(nl_langinfo(YESEXPR));
?>

以上示例的输出类似于:

string(14) "ANSI_X3.4-1968"
string(5) "^[yY]"

注释

注意: 此函数未在 Windows 平台下实现。

参见