15 0: Expr_StaticPropertyFetch(
23 1: Expr_StaticPropertyFetch(
29 2: Expr_StaticPropertyFetch(
35 3: Expr_StaticPropertyFetch(
36 class: Expr_BinaryOp_Concat(
46 4: Expr_StaticPropertyFetch(
47 class: Expr_ArrayDimFetch(
57 5: Expr_StaticPropertyFetch(
67 6: Expr_ArrayDimFetch(
68 var: Expr_StaticPropertyFetch(
82 7: Expr_StaticPropertyFetch(
83 class: Expr_StaticPropertyFetch(