1. PHP_script

2. Class_def

3. Class_mod

4. Interface_def

5. Member

6. Method

7. Signature

8. Method_mod

9. Formal_parameter

10. Type

11. Name_with_default

12. Attribute

13. Attr_mod

14. Statement

15. If

16. While

17. Do

18. For

19. Foreach

20. Switch

21. Switch_case

22. Break

23. Continue

24. Return

25. Static_declaration

26. Global

27. Declare

28. Directive

29. Try

30. Catch

31. Throw

32. Eval_expr

33. Nop

34. Expr

35. Literal

36. Assignment

37. Op_assignment

38. List_assignment

39. List_element

40. Nested_list_elements

41. Cast

42. Unary_op

43. Bin_op

44. Conditional_expr

45. Ignore_errors

46. Constant

47. Instanceof

48. Variable

49. Variable_name

50. Reflection

51. Target

52. Pre_op

53. Post_op

54. Array

55. Array_elem

56. Method_invocation

57. Method_name

58. Actual_parameter

59. New

60. Class_name

61. Commented_node

62. Identifier

63. Source_rep