Static allows properties and methods to be accessed without instantiating an object, the $this variable is not applicable to static methods or properties, and static items cannot be accessed through an object using the arrow operator ->. Calling non-static methods statically generates an E_STRICT level warning.

1. Static
Static makes properties or methods
accessible without instantiation
$this variable is not applicable
Can’t accessible through the object using
the arrow operator ->
Calling non-static methods statically
generates an E_STRICT level warning