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PHP Manual

## Runtime Configuration

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

Intl Configure Options
Name | Default | Changeable | Changelog
--- | --- | --- | ---
intl.default_locale |  | PHP_INI_ALL |

For further details and definitions of the PHP_INI_* modes, see the Where a configuration setting may be set.

Here's a short explanation of the configuration directives.

`intl.default_locale` string

Installation
Resource Types
Installing/Configuring
PHP Manual