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<?php class Collection extends ArrayObject { private $data; function __construct() { $this->data = array(); parent::__construct($this->data); } function offsetGet($index) { echo __METHOD__ . "($index)\n"; return parent::offsetGet($index); } function offsetSet($index, $value) { echo __METHOD__ . "(" . (is_null($index) ? "NULL" : $index) . ",$value)\n"; parent::offsetSet($index, $value); } } echo "\n\nInitiate Obj\n"; $arrayObj = new Collection(); echo "Assign values\n"; $arrayObj[] = "foo"; var_dump($arrayObj[0]); $arrayObj[] = "bar"; var_dump($arrayObj[0]); var_dump($arrayObj[1]); $arrayObj["foo"] = "baz"; var_dump($arrayObj["foo"]); print_r($arrayObj); var_dump(count($arrayObj));
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Return type of Collection::offsetGet($index) should either be compatible with ArrayObject::offsetGet(mixed $key): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/Gi6SO on line 13 Deprecated: Return type of Collection::offsetSet($index, $value) should either be compatible with ArrayObject::offsetSet(mixed $key, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/Gi6SO on line 19 Initiate Obj Assign values Collection::offsetSet(NULL,foo) Collection::offsetGet(0) string(3) "foo" Collection::offsetSet(NULL,bar) Collection::offsetGet(0) string(3) "foo" Collection::offsetGet(1) string(3) "bar" Collection::offsetSet(foo,baz) Collection::offsetGet(foo) string(3) "baz" Collection Object ( [data:Collection:private] => Array ( ) [storage:ArrayObject:private] => Array ( [0] => foo [1] => bar [foo] => baz ) ) int(3)

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