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1 | <?php |
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2 | |||
3 | namespace Robbie\Psr7; |
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4 | |||
5 | use Psr\Http\Message\MessageInterface; |
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6 | use SilverStripe\Control\HTTPRequest; |
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7 | use SilverStripe\Control\HTTPResponse; |
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8 | |||
9 | /** |
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10 | * Provides common functionality used between Request and Response objects |
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11 | * |
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12 | * @package psr7-adapters |
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13 | */ |
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14 | abstract class AbstractHttpAdapter |
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15 | { |
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16 | /** |
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17 | * @var string |
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18 | */ |
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19 | protected $protocolVersion; |
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20 | |||
21 | /** |
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22 | * Perform a conversion from a HTTPResponse or HTTPRequest into the corresponding PSR-7 interface |
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23 | * |
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24 | * @param HTTPRequest|HTTPResponse $input |
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25 | * @return MessageInterface |
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26 | */ |
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27 | abstract public function toPsr7($input); |
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28 | |||
29 | /** |
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30 | * Perform a conversion from a PSR-7 interface to the corresponding HTTPRequest or HTTPResponse class |
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31 | * |
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32 | * @param MessageInterface $input |
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33 | * @return HTTPRequest|HTTPResponse |
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34 | */ |
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35 | abstract public function fromPsr7($input); |
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36 | |||
37 | /** |
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38 | * PSR-7 interfaces support multiple headers per type, whereas SilverStripe classes do not. |
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39 | * |
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40 | * This method will assign headers as a comma delimited string from the PSR-7 interface to the SilverStripe class |
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41 | * |
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42 | * @param MessageInterface $from |
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43 | * @param HTTPRequest|HTTPResponse $to |
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44 | */ |
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45 | public function importHeaders(MessageInterface $from, $to) |
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46 | { |
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47 | foreach ($from->getHeaders() as $key => $headers) { |
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48 | foreach ($headers as $header) { |
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49 | $to->addHeader($key, $from->getHeaderLine($key)); |
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50 | } |
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51 | } |
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52 | } |
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53 | |||
54 | /** |
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55 | * Get the protocol version - either from a previously set value, or from the server |
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56 | * |
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57 | * @return string E.g. "1.1" |
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58 | */ |
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59 | public function getProtocolVersion() |
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60 | { |
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61 | if ($this->protocolVersion) { |
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62 | return $this->protocolVersion; |
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63 | } |
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64 | |||
65 | $protocolAndVersion = $_SERVER['SERVER_PROTOCOL']; |
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66 | list($protocol, $version) = explode('/', $protocolAndVersion); |
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0 ignored issues
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67 | return $version; |
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68 | } |
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69 | |||
70 | /** |
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71 | * Set the protocol version |
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72 | * |
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73 | * @param string $version |
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74 | * @return $this |
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75 | */ |
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76 | public function setProtocolVersion($version = '1.1') |
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77 | { |
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78 | $this->protocolVersion = $version; |
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79 | return $this; |
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80 | } |
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81 | } |
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82 |
This checks looks for assignemnts to variables using the
list(...)
function, where not all assigned variables are subsequently used.Consider the following code example.
Only the variables
$a
and$c
are used. There was no need to assign$b
.Instead, the list call could have been.