| --TEST-- |
| ZE2 ArrayAccess and ArrayProxyAccess, ArrayProxy |
| --FILE-- |
| <?php |
|
|
| |
|
|
| interface ArrayProxyAccess extends ArrayAccess |
| { |
| function proxyGet($element); |
| function proxySet($element, $index, $value); |
| function proxyUnset($element, $index); |
| } |
|
|
| class ArrayProxy implements ArrayAccess |
| { |
| private $object; |
| private $element; |
|
|
| function __construct(ArrayProxyAccess $object, $element) |
| { |
| echo __METHOD__ . "($element)\n"; |
| if (!$object->offsetExists($element)) |
| { |
| $object[$element] = array(); |
| } |
| $this->object = $object; |
| $this->element = $element; |
| } |
|
|
| function offsetExists($index): bool { |
| echo __METHOD__ . "($this->element, $index)\n"; |
| return array_key_exists($index, $this->object->proxyGet($this->element)); |
| } |
|
|
| function offsetGet($index): mixed { |
| echo __METHOD__ . "($this->element, $index)\n"; |
| $tmp = $this->object->proxyGet($this->element); |
| return isset($tmp[$index]) ? $tmp[$index] : NULL; |
| } |
|
|
| function offsetSet($index, $value): void { |
| echo __METHOD__ . "($this->element, $index, $value)\n"; |
| $this->object->proxySet($this->element, $index, $value); |
| } |
|
|
| function offsetUnset($index): void { |
| echo __METHOD__ . "($this->element, $index)\n"; |
| $this->object->proxyUnset($this->element, $index); |
| } |
| } |
|
|
| class Peoples implements ArrayProxyAccess |
| { |
| public $person; |
|
|
| function __construct() |
| { |
| $this->person = array(array('name'=>'Foo')); |
| } |
|
|
| function offsetExists($index): bool |
| { |
| return array_key_exists($index, $this->person); |
| } |
|
|
| function offsetGet($index): mixed |
| { |
| return new ArrayProxy($this, $index); |
| } |
|
|
| function offsetSet($index, $value): void |
| { |
| $this->person[$index] = $value; |
| } |
|
|
| function offsetUnset($index): void |
| { |
| unset($this->person[$index]); |
| } |
|
|
| function proxyGet($element) |
| { |
| return $this->person[$element]; |
| } |
|
|
| function proxySet($element, $index, $value) |
| { |
| $this->person[$element][$index] = $value; |
| } |
|
|
| function proxyUnset($element, $index) |
| { |
| unset($this->person[$element][$index]); |
| } |
| } |
|
|
| $people = new Peoples; |
|
|
| var_dump($people->person[0]['name']); |
| $people->person[0]['name'] = $people->person[0]['name'] . 'Bar'; |
| var_dump($people->person[0]['name']); |
| $people->person[0]['name'] .= 'Baz'; |
| var_dump($people->person[0]['name']); |
|
|
| echo "===ArrayOverloading===\n"; |
|
|
| $people = new Peoples; |
|
|
| var_dump($people[0]); |
| var_dump($people[0]['name']); |
| $people[0]['name'] = 'FooBar'; |
| var_dump($people[0]['name']); |
| $people[0]['name'] = $people->person[0]['name'] . 'Bar'; |
| var_dump($people[0]['name']); |
| $people[0]['name'] .= 'Baz'; |
| var_dump($people[0]['name']); |
| unset($people[0]['name']); |
| var_dump($people[0]); |
| var_dump($people[0]['name']); |
| $people[0]['name'] = 'BlaBla'; |
| var_dump($people[0]['name']); |
|
|
| ?> |
| --EXPECTF-- |
| string(3) "Foo" |
| string(6) "FooBar" |
| string(9) "FooBarBaz" |
| ===ArrayOverloading=== |
| ArrayProxy::__construct(0) |
| object(ArrayProxy) |
| ["object":"ArrayProxy":private]=> |
| object(Peoples) |
| ["person"]=> |
| array(1) { |
| [0]=> |
| array(1) { |
| ["name"]=> |
| string(3) "Foo" |
| } |
| } |
| } |
| ["element":"ArrayProxy":private]=> |
| int(0) |
| } |
| ArrayProxy::__construct(0) |
| ArrayProxy::offsetGet(0, name) |
| string(3) "Foo" |
| ArrayProxy::__construct(0) |
| ArrayProxy::offsetSet(0, name, FooBar) |
| ArrayProxy::__construct(0) |
| ArrayProxy::offsetGet(0, name) |
| string(6) "FooBar" |
| ArrayProxy::__construct(0) |
| ArrayProxy::offsetSet(0, name, FooBarBar) |
| ArrayProxy::__construct(0) |
| ArrayProxy::offsetGet(0, name) |
| string(9) "FooBarBar" |
| ArrayProxy::__construct(0) |
| ArrayProxy::offsetGet(0, name) |
| ArrayProxy::offsetSet(0, name, FooBarBarBaz) |
| ArrayProxy::__construct(0) |
| ArrayProxy::offsetGet(0, name) |
| string(12) "FooBarBarBaz" |
| ArrayProxy::__construct(0) |
| ArrayProxy::offsetUnset(0, name) |
| ArrayProxy::__construct(0) |
| object(ArrayProxy) |
| ["object":"ArrayProxy":private]=> |
| object(Peoples) |
| ["person"]=> |
| array(1) { |
| [0]=> |
| array(0) { |
| } |
| } |
| } |
| ["element":"ArrayProxy":private]=> |
| int(0) |
| } |
| ArrayProxy::__construct(0) |
| ArrayProxy::offsetGet(0, name) |
| NULL |
| ArrayProxy::__construct(0) |
| ArrayProxy::offsetSet(0, name, BlaBla) |
| ArrayProxy::__construct(0) |
| ArrayProxy::offsetGet(0, name) |
| string(6) "BlaBla" |
|
|
