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<?php class test implements ArrayAccess { protected $_array = array(); public function offsetGet($name) { return $this->_array[$name]; } public function offsetSet($name,$value) { $this->_array[$name] = $value; } public function offsetUnset($name) { unset($this->_array[$name]); } public function offsetExists($name) { return isset($this->_array[$name]); } } $test = new test(); $test['foo'] = 'bar'; $test['baz'] = array('test','validator'); var_dump($test);

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