1Methods cannot be readonly
2-----
3<?php class A { readonly function foo() {} }
4-----
5Method foo() cannot be readonly from 1:17 to 1:24
6array(
7    0: Stmt_Class(
8        attrGroups: array(
9        )
10        flags: 0
11        name: Identifier(
12            name: A
13        )
14        extends: null
15        implements: array(
16        )
17        stmts: array(
18            0: Stmt_ClassMethod(
19                attrGroups: array(
20                )
21                flags: READONLY (64)
22                byRef: false
23                name: Identifier(
24                    name: foo
25                )
26                params: array(
27                )
28                returnType: null
29                stmts: array(
30                )
31            )
32        )
33    )
34)
35