1--TEST-- 2Bug #74478: null coalescing operator failing with SplFixedArray 3--FILE-- 4<?php 5 6class MyFixedArray extends \SplFixedArray 7{ 8 public function offsetExists($name): bool { 9 echo "offsetExists($name)\n"; 10 return parent::offsetExists($name); 11 } 12 public function offsetGet($name): mixed { 13 echo "offsetGet($name)\n"; 14 return parent::offsetGet($name); 15 } 16 public function offsetSet($name, $value): void { 17 echo "offsetSet($name)\n"; 18 parent::offsetSet($name, $value); 19 } 20 public function offsetUnset($name): void { 21 echo "offsetUnset($name)\n"; 22 parent::offsetUnset($name); 23 } 24 25} 26 27$fixedData = new MyFixedArray(10); 28var_dump(isset($fixedData[0][1][2])); 29var_dump(isset($fixedData[0]->foo)); 30var_dump($fixedData[0] ?? 42); 31var_dump($fixedData[0][1][2] ?? 42); 32 33$fixedData[0] = new MyFixedArray(10); 34$fixedData[0][1] = new MyFixedArray(10); 35var_dump(isset($fixedData[0][1][2])); 36var_dump($fixedData[0][1][2] ?? 42); 37 38?> 39--EXPECT-- 40offsetExists(0) 41bool(false) 42offsetExists(0) 43bool(false) 44offsetExists(0) 45int(42) 46offsetExists(0) 47int(42) 48offsetSet(0) 49offsetGet(0) 50offsetSet(1) 51offsetExists(0) 52offsetGet(0) 53offsetExists(1) 54offsetGet(1) 55offsetExists(2) 56bool(false) 57offsetExists(0) 58offsetGet(0) 59offsetExists(1) 60offsetGet(1) 61offsetExists(2) 62int(42) 63
