1Nullsafe operator 2----- 3<?php 4 5$a?->b; 6$a?->b($c); 7new $a?->b; 8"{$a?->b}"; 9"$a?->b"; 10----- 11array( 12 0: Stmt_Expression( 13 expr: Expr_NullsafePropertyFetch( 14 var: Expr_Variable( 15 name: a 16 ) 17 name: Identifier( 18 name: b 19 ) 20 ) 21 ) 22 1: Stmt_Expression( 23 expr: Expr_NullsafeMethodCall( 24 var: Expr_Variable( 25 name: a 26 ) 27 name: Identifier( 28 name: b 29 ) 30 args: array( 31 0: Arg( 32 name: null 33 value: Expr_Variable( 34 name: c 35 ) 36 byRef: false 37 unpack: false 38 ) 39 ) 40 ) 41 ) 42 2: Stmt_Expression( 43 expr: Expr_New( 44 class: Expr_NullsafePropertyFetch( 45 var: Expr_Variable( 46 name: a 47 ) 48 name: Identifier( 49 name: b 50 ) 51 ) 52 args: array( 53 ) 54 ) 55 ) 56 3: Stmt_Expression( 57 expr: Scalar_InterpolatedString( 58 parts: array( 59 0: Expr_NullsafePropertyFetch( 60 var: Expr_Variable( 61 name: a 62 ) 63 name: Identifier( 64 name: b 65 ) 66 ) 67 ) 68 ) 69 ) 70 4: Stmt_Expression( 71 expr: Scalar_InterpolatedString( 72 parts: array( 73 0: Expr_NullsafePropertyFetch( 74 var: Expr_Variable( 75 name: a 76 ) 77 name: Identifier( 78 name: b 79 ) 80 ) 81 ) 82 ) 83 ) 84) 85