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<?php class App_Collection implements ArrayAccess, IteratorAggregate, Countable { public $data = array('x'=>'a'); public function count() { return count($this->data); } public function offsetExists($offset) { return (isset($this->data[$offset])); } public function offsetGet($offset) { if ($this->offsetExists($offset)) { return $this->data[$offset]; } return false; } public function offsetSet($offset, $value) { if ($offset) { $this->data[$offset] = $value; } else { $this->data[] = $value; } } public function offsetUnset($offset) { unset($this->data[$offset]); } public function getIterator() { return new ArrayIterator($this->data); } } $array = new App_Collection(); var_dump(isset($array['x'])); var_dump(array_key_exists('x', $array));
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Return type of App_Collection::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/qrF4X on line 11 Deprecated: Return type of App_Collection::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/qrF4X on line 16 Deprecated: Return type of App_Collection::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/qrF4X on line 25 Deprecated: Return type of App_Collection::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/qrF4X on line 37 Deprecated: Return type of App_Collection::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/qrF4X on line 42 Deprecated: Return type of App_Collection::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/qrF4X on line 6 bool(true) Fatal error: Uncaught TypeError: array_key_exists(): Argument #2 ($array) must be of type array, App_Collection given in /in/qrF4X:50 Stack trace: #0 {main} thrown in /in/qrF4X on line 50
Process exited with code 255.

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