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<?php class obj implements arrayaccess { private $container = array(); public function __construct() { $this->container = array( "one" => 1, "two" => 2, "three" => 3, ); } public function offsetSet($offset, $value) { var_dump($offset); if (empty($offset)) { $this->container[] = $value; } else { $this->container[$offset] = $value; } return 'abc'; } public function offsetExists($offset) { return isset($this->container[$offset]); } public function offsetUnset($offset) { unset($this->container[$offset]); } public function offsetGet($offset) { return isset($this->container[$offset]) ? $this->container[$offset] : null; } } $obj = new obj; echo $obj[] = 'Append 1';
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Return type of obj::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/kgiCB on line 24 Deprecated: Return type of obj::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/kgiCB on line 30 Deprecated: Return type of obj::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/kgiCB on line 11 Deprecated: Return type of obj::offsetUnset($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/kgiCB on line 27 NULL Append 1

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