1--TEST-- 2Variable-variables inside arrow functions 3--FILE-- 4<?php 5 6$a = 1; 7$var = "a"; 8$fn = fn() => $$var; 9var_dump($fn()); 10 11${5} = 2; 12$fn = fn() => ${5}; 13var_dump($fn()); 14 15?> 16--EXPECTF-- 17Warning: Undefined variable $a in %s on line %d 18NULL 19 20Warning: Undefined variable $5 in %s on line %d 21NULL 22
