(PHP 4 >= 4.1.0, PHP 5)
nl_langinfo — Query language and locale information
$item
   )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.
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.
       
| 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 | 
           
            
  | 
          
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. | 
   Returns the element as a string, or FALSE if item
   is not valid.
  
Note: This function is not implemented on Windows platforms.