运行时配置

这些函数的行为受 php.ini 中的设置影响。

**Iconv configuration options**
Name	Default	Changeable	Changelog
iconv.input_encoding	"ISO-8859-1"	PHP_INI_ALL	Available since PHP 4.0.5.
iconv.output_encoding	"ISO-8859-1"	PHP_INI_ALL	Available since PHP 4.0.5.
iconv.internal_encoding	"ISO-8859-1"	PHP_INI_ALL	Available since PHP 4.0.5.

有关 PHP_INI_* 样式的更多详情与定义，见 Where a configuration setting may be set。

Warning

Some systems (like IBM AIX) use "ISO8859-1" instead of "ISO-8859-1" so this value has to be used in configuration options and function parameters.

Note:
Configuration option iconv.input_encoding is currently not used for anything.