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<?php class Foo implements ArrayAccess { protected $_values = ["bar" => 1]; public function offsetExists($offset) { return array_key_exists($offset, $this->_values); } public function offsetGet($offset) { return $this->offsetExists($offset) ? $this->_values[$offset]:NULL; } public function offsetSet($offset, $value) { $this->_values[$offset] = $value; } public function offsetUnset($offset) { if ($this->offsetExists($offset)) { unset($this->_values[$offset]); } } } $a = new Foo(); foreach ($a as $key => $value) { echo "key: $key, value: $value"; }
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Return type of Foo::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/8H8vR on line 6 Deprecated: Return type of Foo::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/8H8vR on line 10 Deprecated: Return type of Foo::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/8H8vR on line 14 Deprecated: Return type of Foo::offsetUnset($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/8H8vR on line 18

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