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--TEST-- ZE2 ArrayAccess and ArrayProxyAccess, ArrayProxy --FILE-- <?php // NOTE: This will become part of SPL 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) { echo __METHOD__ . "($this->element, $index)\n"; return array_key_exists($index, $this->object->proxyGet($this->element)); } function offsetGet($index) { echo __METHOD__ . "($this->element, $index)\n"; $tmp = $this->object->proxyGet($this->element); return isset($tmp[$index]) ? $tmp[$index] : NULL; } function offsetSet($index, $value) { echo __METHOD__ . "($this->element, $index, $value)\n"; $this->object->proxySet($this->element, $index, $value); } function offsetUnset($index) { 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) { return array_key_exists($index, $this->person); } function offsetGet($index) { return new ArrayProxy($this, $index); } function offsetSet($index, $value) { $this->person[$index] = $value; } function offsetUnset($index) { 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']); ?> ===DONE=== --EXPECTF-- string(3) "Foo" string(6) "FooBar" string(9) "FooBarBaz" ===ArrayOverloading=== ArrayProxy::__construct(0) object(ArrayProxy)#%d (2) { ["object":"ArrayProxy":private]=> object(Peoples)#%d (1) { ["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)#%d (2) { ["object":"ArrayProxy":private]=> object(Peoples)#%d (1) { ["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" ===DONE===