$variable->property
$foo->bar->baz

----------------------------------------------------

[
	["variable", "$variable"],
	["operator", "-"], ["operator", ">"],
	["property", "property"],
	["variable", "$foo"],
	["operator", "-"], ["operator", ">"],
	["property", "bar"],
	["operator", "-"], ["operator", ">"],
	["property", "baz"]
]

----------------------------------------------------

Checks for properties.