The behaviour of these functions is affected by settings in php.ini.
Name | Default | Changeable | Changelog |
---|---|---|---|
unserialize_callback_func | NULL | PHP_INI_ALL | Available since PHP 4.2.0. |
Here's a short explanation of the configuration directives.
unserialize_callback_func
string
The callback specified is called when unserialize() attempts to use an undefined class. A warning appears if the specified callback function is not defined, or if the callback function fails to define the missing class.
See also unserialize() and Autoloading Objects.