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Runtime Configuration
Installing/Configuring
PHP Manual

Runtime Configuration

The behaviour of these functions is affected by settings in php.ini.

Iconv Configure Options
Name Default Changeable Changelog
iconv.input_encoding "" PHP_INI_ALL Available since PHP 4.0.5. PHP <= 5.6.0 uses "ISO-8859-1" as default. Since PHP 5.6.0, if this setting is empty, default_charset is used.
iconv.output_encoding "" PHP_INI_ALL Available since PHP 4.0.5. PHP <= 5.6.0 uses "ISO-8859-1" as default. Since PHP 5.6.0, if this setting is empty, default_charset is used.
iconv.internal_encoding "" PHP_INI_ALL Available since PHP 4.0.5. PHP <= 5.6.0 uses "ISO-8859-1" as default. Since PHP 5.6.0, if this setting is empty, default_charset is used.

Here's a short explanation of the configuration directives.

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.

iconv.input_encoding string

Currently this option is not used.

iconv.output_encoding string

iconv.internal_encoding string


Installing/Configuring
PHP Manual