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<?php |
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/** |
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* This file is a part of Woketo package. |
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* |
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* (c) Nekland <[email protected]> |
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* |
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* For the full license, take a look to the LICENSE file |
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* on the root directory of this project |
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*/ |
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namespace Nekland\Woketo\Http; |
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/** |
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* Class HttpHeadersBag |
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* |
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* @internal |
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*/ |
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class HttpHeadersBag implements \ArrayAccess, \Iterator |
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{ |
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/** |
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* @var string[] |
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*/ |
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private $headers; |
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/** |
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* Is used by the iterator feature to store a possible "false" value when the loop over the array is finished. |
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* |
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* @var mixed |
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*/ |
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private $next; |
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public function __construct(array $headers = null) |
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{ |
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$this->headers = $headers ?: []; |
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} |
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/** |
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* @param string $name |
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* @param mixed $value |
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* @return self |
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*/ |
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public function set(string $name, $value) |
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{ |
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$this->headers[$name] = $value; |
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return $this; |
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} |
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/** |
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* @param string $name |
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* @param mixed $default |
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* @return mixed |
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*/ |
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public function get(string $name, $default = null) |
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{ |
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$headersLower = \array_change_key_case($this->headers); |
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$name = \strtolower($name); |
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return isset($headersLower[$name]) ? $headersLower[$name] : $default; |
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} |
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/** |
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* @param string $name |
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* @param mixed $value |
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* @return self |
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*/ |
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public function add(string $name, $value) |
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{ |
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if (!empty($this->headers[$name])) { |
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if (!\is_array($this->headers[$name])){ |
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$this->headers[$name] = [$this->headers[$name]]; |
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} |
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$this->headers[$name][] = $value; |
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} else { |
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$this->headers[$name] = $value; |
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} |
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return $this; |
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} |
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/** |
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* @param string $name |
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*/ |
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public function remove(string $name) |
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{ |
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unset($this->headers[$name]); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function offsetExists($offset) |
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{ |
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return isset($this->headers[$offset]); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function offsetGet($offset) |
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{ |
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return $this->get($offset); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function offsetSet($offset, $value) |
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{ |
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throw new \Exception('You must use either add or set method to update the header bag.'); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function offsetUnset($offset) |
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{ |
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$this->remove($offset); |
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} |
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public function current() |
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{ |
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return $this->next ?: \current($this->headers); |
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} |
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public function next() |
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{ |
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$this->next = \next($this->headers); |
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} |
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public function key() |
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{ |
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return \key($this->headers); |
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} |
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public function valid() |
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{ |
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return $this->next !== false; |
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} |
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public function rewind() |
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{ |
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$this->current = 0; |
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} |
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} |
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Nekland /
Woketo
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: