Types ​

Objects output can be one of the following data types.

string ​

Any series of characters, wrapped in single or double quotes.

number ​

Numeric values, including floats and integers.

boolean ​

A binary value, either true or false.

nil ​

An undefined value.

array ​

A list of variables of any type.

empty ​

An empty object is returned if you try to access an object that is defined.