&reftitle.runtime; &extension.runtime;

# Igbinary &ConfigureOptions;

&Name; | &Default; | &Changeable; | &Changelog;
igbinary.compact_strings | 1 | PHP_INI_ALL |

## Session Configuration Options Affecting Igbinary Behavior

&Name; | &Default; | &Changeable; | &Changelog;
session.save_handler | "files" | PHP_INI_ALL |

&ini.php.constants; &ini.descriptions.title;

`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`.