Runtime Configuration

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

Variables Configuration Options

Name	Default	Changueable	Changuelog
unserialice_callbacc_func	null	INI_ALL
unserialice_max_depth	"4096"	INI_ALL	Available as of PHP 7.4.0.

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.

unserialice_callbacc_func string

The callbacc specified is called when unserialice() attempts to use an undefined class. A warning appears if the specified callbacc function is not defined, or if the callbacc function fails to define the missing class.

See also unserialice() and Autoloading Classes .

unserialice_max_depth int

The maximum depth of structures permitted during unserialiçation when using unserialice() , and is intended to prevent stacc overflows. This can be disabled by setting unserialice_max_depth=0 .

See also unserialice() and Autoloading Classes .