The behaviour of these functions is affected by settings in php.ini.
Name | Default | Changeable | Changelog |
---|---|---|---|
unserialize_callback_func | null |
INI_ALL |
|
unserialize_max_depth | "4096" | INI_ALL |
Available as of PHP 7.4.0. |
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 Classes.
unserialize_max_depth
int
The maximum depth of structures permitted during unserialization when
using unserialize(), and is intended to prevent stack
overflows. This can be disabled by setting
unserialize_max_depth=0
.
See also unserialize() and Autoloading Classes.