PHP String nl_langinfo() Function

The nl_langinfo() function is in-built function of PHP. It is used to access the individual elements of the locale categories. This function allows us to select any element specifically. Unlike the localeconv() function which returns all the local formatting information, nl_langinfo() function returns the specific information.

Note: One important thing to notice about nl_langinfo() function is that - this function is not implemented on the Windows platform.

Syntax

The basic syntax of nl_langinfo() function of PHP is:

Parameter

This function has only one parameter, i.e.,

item (mandatory) - item is the only parameter of nl_langinfo() function which may be an integer type value of the element or a constant name of the element. There is a list of the following nl_langinfo constants with their description for the item that may be used in this function with the item parameter. Some of these constants may not be defined or do not hold any value for certain locales.

Constant	Description
*LC_TIME Category Constant*
ABDAY_(1-7)	Abbreviated name of all the days (nth days) of the week
DAY_(1-7)	Name of all the days of the week
ABMON_(1-12)	Abbreviated name of all the months of the year
MON_(1-12)	Name of all the months of the week
AM_STR	String for Ante meridian
PM_STR	String for Post meridian
D_T_FMT	String which can be used to represent time and date as the format string for strftime() function
D_FMT	String which can be used to represent the date as the format string for strftime() function
T_FMT	String which can be used to represent time as the format string for strftime() function
T_FMT_AMPN	String which can be used to represent the time in 12-hour format with ante/post meridian as a format string for strftime() function
ERA	Alternate era.
ERA_YEAR	Alternate era format of year
ERA_D_T_FMT	Alternate era format of date and time
ERA_D_FMT	Alternate era format of the date
ERA_T_FMT	Alternate era format of time
*LC_MONETARY Category Constant*
INT_CURR_SYMBOL	International currency symbol, e.g., USD
CURRENCY_SYMBOL	Local currency symbol, e.g., $
CRNCYSTR	Same value as CURRENCY_SYMBOL
MON_DECIMAL_POINT	It is a monetary decimal point character
MON_THOUSAND_SEP	Monetary thousands separator (three digits' group)
MON_GROUPING	Like "grouping" element
POSITIVE_SIGN	+ive sign for positive values
NEGATIVE_SIGN	-ive sign for negative values
INT_FRAC_DIGITS	International fractional digits
FRAC_DIGITS	Local fractional digits
P_CS_PRECEDES	Returns TRUE (1) if CURRENCY_SYMBOL precedes a positive value and FALSE (0) if it is placed behind
P_SEP_BY_SPACE	Returns TRUE (1) if there is a space between CURRENCY_SYMBOL and positive value.
N_CS_PRECEDES	Returns TRUE (1) if CURRENCY_SYMBOL precedes a negative value and FALSE (0) if it is placed behind.
N_SEP_BY_SPACE	Returns TRUE (1) if there is a space between CURRENCY_SYMBOL and a negative value.
P_SIGN_POSN N_SIGN_POSN	Return 0 - Parentheses surround the quantity and CURRENCY_SYMBOL Return 1 - Sign string is placed before the quantity and CURRENCY_SYMBOL Return 2 - Sign string is placed after the quantity and CURRENCY_SYMBOL Return 3 - If the sign string is placed immediately in front of CURRENCY_SYMBOL Return 4 - Sign string immediately follows the CURRENCY_SYMBOL
*LC_NUMERIC Category Constant*
DECIMAL_POINT	Decimal point character
RADIXCHAR	Same value as DECIMAT_POINT
THOUSAND_SEP	Separator character for thousands (Group of three digits)
THOUSEP	Same value as THOUSAND_SEP
GROUPING
*LC_MESSAGES Category Constant*
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 Constant*
CODESET	It returns a string with the name of the character encoding.