Track a change to a property in this object
The change will only be recorded if change tracking is enabled for this object instance.
// basic usage $wire->trackChange(string $what); // usage with all arguments $wire->trackChange(string $what, mixed $old = null, mixed $new = null);
Name of property that changed
Previous value before change
Object instance it was called from (method supports fluent interface).
API reference based on ProcessWire core version 3.0.200