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# PHP nl_langinfo() 函数 ## 定义和用法 nl_langinfo() 函数返回指定的本地信息。 如果成功,则返回指定的本地信息。如果失败,则返回 false。 ### 语法 ``` nl_langinfo(element) ``` | 参数 | 描述 | | --- | --- | | element | 必需。规定要返回哪个元素。必须是说明中列出的元素之一。 | ### 说明 时间和日历: * ABDAY_(1-7) - Abbreviated name of the numbered day of the week * DAY_(1-7) - Name of the numbered day of the week (DAY_1 = Sunday) * ABMON_(1-12) - Abbreviated name of the numbered month of the year * MON_(1-12) - Name of the numbered 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()) 货币类别: * INT_CURR_SYMBOL - Currency symbol (example: USD) * CURRENCY_SYMBOL - Currency symbol (example: $) * CRNCYSTR - Same as CURRENCY_SYMBOL * MON_DECIMAL_POINT - Monetary decimal point character * MON_THOUSANDS_SEP - Monetary thousands separator * POSITIVE_SIGN - Positive value character * NEGATIVE_SIGN -Negative value character * MON_GROUPING - Array displaying how monetary numbers are grouped (example: 1 000 000) * INT_FRAC_DIGITS - International fractional digits * FRAC_DIGITS - Local fractional digits * P_CS_PRECEDES - True (1) if currency symbol is placed in front of a positive value, False (0) if it is placed behind * P_SEP_BY_SPACE - True (1) if there is a spaces between the currency symbol and a positive value, False (0) otherwise * N_CS_PRECEDES - True (1) if currency symbol is placed in front of a negative value, False (0) if it is placed behind * N_SEP_BY_SPACE - True (1) if there is a spaces between the currency symbol and a negative value, False (0) otherwise * P_SIGN_POSN - Formatting setting. Possible return values: * 0 - Parentheses surround the quantity and currency symbol * 1 - The sign string is placed in front of the quantity and currency symbol * 2 - The sign string is placed after the quantity and currency symbol * 3 - The sign string is placed immediately in front of the currency symbol * 4 - The sign string is placed immediately after the currency symbol * N_SIGN_POSN - Formatting setting. Possible return values: * 0 - Parentheses surround the quantity and currency symbol * 1 - The sign string is placed in front of the quantity and currency symbol * 2 - The sign string is placed after the quantity and currency symbol * 3 - The sign string is placed immediately in front of the currency symbol * 4 - The sign string is placed immediately after the currency symbol 数字类别: * DECIMAL_POINT - Decimal point character * RADIXCHAR - Same as DECIMAL_POINT * THOUSANDS_SEP - Separator character for thousands * THOUSEP - Same as THOUSANDS_SEP * GROUPING - Array displaying how numbers are grouped (example: 1 000 000) 通信类别: * YESEXPR - Regex string for matching 'yes' input * NOEXPR - Regex string for matching 'no' input * YESSTR - Output string for 'yes' * NOSTR - Output string for 'no' 代码集类别: * CODESET Return a string with the name of the character encoding. ## 提示和注释 注释:money_format() 函数无法在 windows 平台上工作。 提示:与返回所有本地格式化信息的 [localeconv()](/php/func_string_localeconv.asp "PHP localeconv() 函数") 函数不同,nl_langinfo() 返回指定的信息。