Php/docs/mime-magic.configuration

From Get docs

Runtime Configuration

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

Mimetype configuration options
Name Default Changeable Changelog
mime_magic.debug "0" PHP_INI_SYSTEM Available since PHP 5.0.0.
mime_magic.magicfile "/path/to/php/magic.mime" PHP_INI_SYSTEM Available since PHP 4.3.0.

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.

mime_magic.debug bool
Enable/disable debugging.
mime_magic.magicfile string
The path to the magic.mime file.