Wordpress 4.6

[autoinstalls/wordpress.git] / wp-includes / Requests / Utility / CaseInsensitiveDictionary.php

diff --git a/wp-includes/Requests/Utility/CaseInsensitiveDictionary.php b/wp-includes/Requests/Utility/CaseInsensitiveDictionary.php
new file mode 100644 (file)
index 0000000..2c97893
--- /dev/null
+++ b/wp-includes/Requests/Utility/CaseInsensitiveDictionary.php
@@ -0,0 +1,103 @@
+<?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;
+       }
+}