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<?php class a implements \Iterator, \Countable, \ArrayAccess { private $a; private $b; private $c; private $keys = [ 'a', 'b', 'c' ]; private $pointer; public function __construct($a = null, $b = null, $c = null) { $this->a = $a; $this->b = $b; $this->c = $c; } public function count() { $pointer = 0; foreach ($this as $element) { if ($element) { $pointer++; } } return $pointer; } public function current() { $key = $this->key(); return $this->{$key}; } public function key() { return $this->keys[$this->pointer]; } public function next() { $this->pointer++; } public function valid() { return $this->pointer < count($this->keys); } public function rewind() { $this->pointer = 0; } public function offsetExists($offset) { return isset($this->{$offset}); } public function offsetGet($offset) { return $this->{$offset}; } public function offsetSet($offset, $value) { throw new \BadMethodCallException('Object does not implement set'); } public function offsetUnset($offset) { throw new \BadMethodCallException('Value object does not implement modification via unset'); } } $me = new a(1,2,3); var_dump($me->count()); foreach ($me as $key => $el) { if ($key === 'b') { $me[$key] = 111; } } var_dump($me);
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Return type of a::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/eMc5N on line 37 Deprecated: Return type of a::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/eMc5N on line 48 Deprecated: Return type of a::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/eMc5N on line 43 Deprecated: Return type of a::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/eMc5N on line 53 Deprecated: Return type of a::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/eMc5N on line 58 Deprecated: Return type of a::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/eMc5N on line 24 Deprecated: Return type of a::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/eMc5N on line 64 Deprecated: Return type of a::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/eMc5N on line 69 Deprecated: Return type of a::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/eMc5N on line 74 Deprecated: Return type of a::offsetUnset($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/eMc5N on line 79 int(3) Fatal error: Uncaught BadMethodCallException: Object does not implement set in /in/eMc5N:76 Stack trace: #0 /in/eMc5N(94): a->offsetSet('b', 111) #1 {main} thrown in /in/eMc5N on line 76
Process exited with code 255.

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