Runtime Configuration

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

Igbinary Configure Options
Name Default Changeable Changelog
igbinary.compact_strings 1 INI_ALL  
Session Configuration Options Affecting Igbinary Behavior
Name Default Changeable Changelog
session.save_handler "files" INI_ALL  
For further details and definitions of the INI_* modes, see the Where a configuration setting may be set.

Here's a short explanation of the configuration directives.

igbinary.compact_strings bool

Enable or disable compacting of duplicate strings. The default is On.

session.save_handler string

Igbinary is used as session handler by setting this value to igbinary.