1Constant fetches 2----- 3<?php 4 5A; 6A::B; 7A::class; 8$a::B; 9$a::class; 10----- 11array( 12 0: Stmt_Expression( 13 expr: Expr_ConstFetch( 14 name: Name( 15 name: A 16 ) 17 ) 18 ) 19 1: Stmt_Expression( 20 expr: Expr_ClassConstFetch( 21 class: Name( 22 name: A 23 ) 24 name: Identifier( 25 name: B 26 ) 27 ) 28 ) 29 2: Stmt_Expression( 30 expr: Expr_ClassConstFetch( 31 class: Name( 32 name: A 33 ) 34 name: Identifier( 35 name: class 36 ) 37 ) 38 ) 39 3: Stmt_Expression( 40 expr: Expr_ClassConstFetch( 41 class: Expr_Variable( 42 name: a 43 ) 44 name: Identifier( 45 name: B 46 ) 47 ) 48 ) 49 4: Stmt_Expression( 50 expr: Expr_ClassConstFetch( 51 class: Expr_Variable( 52 name: a 53 ) 54 name: Identifier( 55 name: class 56 ) 57 ) 58 ) 59) 60