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- <?php
- /**
- * Case-insensitive dictionary, suitable for HTTP headers
- *
- * @package Requests
- * @subpackage Utilities
- */
- /**
- * Case-insensitive dictionary, suitable for HTTP headers
- *
- * @package Requests
- * @subpackage Utilities
- */
- class Requests_Utility_CaseInsensitiveDictionary implements ArrayAccess, IteratorAggregate {
- /**
- * Actual item data
- *
- * @var array
- */
- protected $data = array();
- /**
- * Creates a case insensitive dictionary.
- *
- * @param array $data Dictionary/map to convert to case-insensitive
- */
- public function __construct(array $data = array()) {
- foreach ($data as $key => $value) {
- $this->offsetSet($key, $value);
- }
- }
- /**
- * Check if the given item exists
- *
- * @param string $key Item key
- * @return boolean Does the item exist?
- */
- public function offsetExists($key) {
- $key = strtolower($key);
- return isset($this->data[$key]);
- }
- /**
- * Get the value for the item
- *
- * @param string $key Item key
- * @return string Item value
- */
- public function offsetGet($key) {
- $key = strtolower($key);
- if (!isset($this->data[$key])) {
- return null;
- }
- return $this->data[$key];
- }
- /**
- * Set the given item
- *
- * @throws Requests_Exception On attempting to use dictionary as list (`invalidset`)
- *
- * @param string $key Item name
- * @param string $value Item value
- */
- public function offsetSet($key, $value) {
- if ($key === null) {
- throw new Requests_Exception('Object is a dictionary, not a list', 'invalidset');
- }
- $key = strtolower($key);
- $this->data[$key] = $value;
- }
- /**
- * Unset the given header
- *
- * @param string $key
- */
- public function offsetUnset($key) {
- unset($this->data[strtolower($key)]);
- }
- /**
- * Get an iterator for the data
- *
- * @return ArrayIterator
- */
- public function getIterator() {
- return new ArrayIterator($this->data);
- }
- /**
- * Get the headers as an array
- *
- * @return array Header data
- */
- public function getAll() {
- return $this->data;
- }
- }
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