1--TEST-- 2Bug #75420.16 (Indirect modification of magic method argument) 3--FILE-- 4<?php 5class Test implements ArrayAccess { 6 public function offsetExists($x): bool { } 7 public function offsetGet($x): mixed { } 8 public function offsetSet($x, $y): void { $GLOBALS["obj"] = 24; var_dump($this); } 9 public function offsetUnset($x): void { } 10} 11 12$obj = new Test; 13$name = "foo"; 14$obj[$name] = 1; 15var_dump($obj); 16?> 17--EXPECT-- 18object(Test)#1 (0) { 19} 20int(24) 21