Simple fetches (array, property, constant) and calls
-----
<?php

// simple calls
a();
$a->b();
A::b();

// simple properties
$a->b;
A::$b;

// simple array access
$a[$b];
$a{$b};

// simple constants
A;
A::B;
-----
array(
    0: Expr_FuncCall(
        name: Name(
            parts: array(
                0: a
            )
        )
        args: array(
        )
    )
    1: Expr_MethodCall(
        var: Expr_Variable(
            name: a
        )
        name: b
        args: array(
        )
    )
    2: Expr_StaticCall(
        class: Name(
            parts: array(
                0: A
            )
        )
        name: b
        args: array(
        )
    )
    3: Expr_PropertyFetch(
        var: Expr_Variable(
            name: a
        )
        name: b
    )
    4: Expr_StaticPropertyFetch(
        class: Name(
            parts: array(
                0: A
            )
        )
        name: b
    )
    5: Expr_ArrayDimFetch(
        var: Expr_Variable(
            name: a
        )
        dim: Expr_Variable(
            name: b
        )
    )
    6: Expr_ArrayDimFetch(
        var: Expr_Variable(
            name: a
        )
        dim: Expr_Variable(
            name: b
        )
    )
    7: Expr_ConstFetch(
        name: Name(
            parts: array(
                0: A
            )
        )
    )
    8: Expr_ClassConstFetch(
        class: Name(
            parts: array(
                0: A
            )
        )
        name: B
    )
)