3 * Case-insensitive dictionary, suitable for HTTP headers
6 * @subpackage Utilities
10 * Case-insensitive dictionary, suitable for HTTP headers
13 * @subpackage Utilities
15 class Requests_Utility_CaseInsensitiveDictionary implements ArrayAccess, IteratorAggregate {
21 protected $data = array();
24 * Creates a case insensitive dictionary.
26 * @param array $data Dictionary/map to convert to case-insensitive
28 public function __construct(array $data = array()) {
29 foreach ($data as $key => $value) {
30 $this->offsetSet($key, $value);
35 * Check if the given item exists
37 * @param string $key Item key
38 * @return boolean Does the item exist?
40 public function offsetExists($key) {
41 $key = strtolower($key);
42 return isset($this->data[$key]);
46 * Get the value for the item
48 * @param string $key Item key
49 * @return string Item value
51 public function offsetGet($key) {
52 $key = strtolower($key);
53 if (!isset($this->data[$key])) {
57 return $this->data[$key];
63 * @throws Requests_Exception On attempting to use dictionary as list (`invalidset`)
65 * @param string $key Item name
66 * @param string $value Item value
68 public function offsetSet($key, $value) {
70 throw new Requests_Exception('Object is a dictionary, not a list', 'invalidset');
73 $key = strtolower($key);
74 $this->data[$key] = $value;
78 * Unset the given header
82 public function offsetUnset($key) {
83 unset($this->data[strtolower($key)]);
87 * Get an iterator for the data
89 * @return ArrayIterator
91 public function getIterator() {
92 return new ArrayIterator($this->data);
96 * Get the headers as an array
98 * @return array Header data
100 public function getAll() {