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<?php |
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/** |
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* Case-insensitive dictionary, suitable for HTTP headers |
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* |
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* @package Requests |
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*/ |
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/** |
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* Case-insensitive dictionary, suitable for HTTP headers |
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* |
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* @package Requests |
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*/ |
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class Requests_Response_Headers extends Requests_Utility_CaseInsensitiveDictionary { |
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/** |
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* Get the given header |
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* |
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* Unlike {@see self::getValues()}, this returns a string. If there are |
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* multiple values, it concatenates them with a comma as per RFC2616. |
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* |
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* Avoid using this where commas may be used unquoted in values, such as |
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* Set-Cookie headers. |
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* |
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* @param string $key |
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* @return string Header value |
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*/ |
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View Code Duplication |
public function offsetGet($key) { |
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$key = strtolower($key); |
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if (!isset($this->data[$key])) { |
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return null; |
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} |
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return $this->flatten($this->data[$key]); |
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} |
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/** |
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* Set the given item |
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* |
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* @throws Requests_Exception On attempting to use dictionary as list (`invalidset`) |
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* |
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* @param string $key Item name |
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* @param string $value Item value |
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*/ |
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public function offsetSet($key, $value) { |
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if ($key === null) { |
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throw new Requests_Exception('Object is a dictionary, not a list', 'invalidset'); |
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} |
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$key = strtolower($key); |
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if (!isset($this->data[$key])) { |
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$this->data[$key] = array(); |
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} |
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$this->data[$key][] = $value; |
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} |
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/** |
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* Get all values for a given header |
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* |
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* @param string $key |
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* @return array Header values |
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*/ |
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View Code Duplication |
public function getValues($key) { |
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$key = strtolower($key); |
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if (!isset($this->data[$key])) { |
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return null; |
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} |
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return $this->data[$key]; |
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} |
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/** |
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* Flattens a value into a string |
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* |
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* Converts an array into a string by imploding values with a comma, as per |
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* RFC2616's rules for folding headers. |
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* |
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* @param string|array $value Value to flatten |
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* @return string Flattened value |
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*/ |
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public function flatten($value) { |
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if (is_array($value)) { |
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$value = implode(',', $value); |
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} |
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return $value; |
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} |
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/** |
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* Get an iterator for the data |
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* |
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* Converts the internal |
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* @return ArrayIterator |
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*/ |
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public function getIterator() { |
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return new Requests_Utility_FilteredIterator($this->data, array($this, 'flatten')); |
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} |
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} |
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chamilo /
chamilo-lms
