Method Pike.identify_cycle()

Method identify_cycle

array(mixed) identify_cycle(mixed x)

Description

Identify reference cycles in Pike datastructures.

This function is typically used to identify why certain datastructures need the gc to run to be freed.

Parameter x

Value that is believed to be involved in a reference cycle.

Returns

zero	Returns UNDEFINED if x is not member of a reference cycle.
array(mixed)	Otherwise returns an array identifying a cycle with x as the first element, and where the elements refer to each other in order, and the last element refers to the first.