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<?php class ArrayAccessImplementer implements ArrayAccess { private $array; public function __construct(array $array) { $this->array = $array; } public function offsetExists($offset) { return array_key_exists($this->array, $offset); } public function offsetSet($offset, $value) { $this->array[$offset] = $value; } public function offsetGet($offset) { return $this->array[$offset]; } public function offsetUnset($offset) { unset($this->array[$offset]); } } class ArrayObjectSubClass extends ArrayObject { } class SimpleObject { public function __construct(array $array) { foreach ($array as $key => $value) { $this->{$key} = $value; } } } $inputArray = array(0 => 'value0', '1' => 'value1', 1 => 'value2'); $stdClassObject = (object)$inputArray; $simpleObject = new SimpleObject($inputArray); $arrayObject = new ArrayObject($inputArray); $arrayObjectSubclass = new ArrayObjectSubClass($inputArray); $arrayAccess = new ArrayAccessImplementer($inputArray); echo 'stdClass: '; var_export((array)$stdClassObject); echo PHP_EOL, 'SimpleObject: '; var_export((array)$simpleObject); echo PHP_EOL, 'ArrayObject: '; var_export((array)$arrayObject); echo PHP_EOL, 'ArrayObjectSubclass: '; var_export((array)$arrayObjectSubclass); echo PHP_EOL, 'ArrayAccess: '; var_export((array)$arrayAccess);
based on heXT2
Output for 7.2.6 - 7.2.33, 7.3.16 - 7.3.24, 7.4.0 - 7.4.13, 8.0.0
stdClass: array ( 0 => 'value0', 1 => 'value2', ) SimpleObject: array ( 0 => 'value0', 1 => 'value2', ) ArrayObject: array ( 0 => 'value0', 1 => 'value2', ) ArrayObjectSubclass: array ( 0 => 'value0', 1 => 'value2', ) ArrayAccess: array ( '' . "\0" . 'ArrayAccessImplementer' . "\0" . 'array' => array ( 0 => 'value0', 1 => 'value2', ), )
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20
stdClass: array ( 0 => 'value0', 1 => 'value2', ) SimpleObject: array ( '0' => 'value0', '1' => 'value2', ) ArrayObject: array ( 0 => 'value0', 1 => 'value2', ) ArrayObjectSubclass: array ( 0 => 'value0', 1 => 'value2', ) ArrayAccess: array ( '' . "\0" . 'ArrayAccessImplementer' . "\0" . 'array' => array ( 0 => 'value0', 1 => 'value2', ), )