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<?php |
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namespace Wandu\Router\Responsifier; |
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use Generator; |
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use Psr\Http\Message\ResponseInterface; |
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use RuntimeException; |
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use Wandu\Router\Contracts\ResponsifierInterface; |
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use function Wandu\Http\response; |
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class PsrResponsifier implements ResponsifierInterface |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public function responsify($response) |
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{ |
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if ($response instanceof ResponseInterface) { |
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return $response; |
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} |
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if (!isset($response)) { |
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$response = ''; |
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} |
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while (is_callable($response)) { |
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$nextResponse = call_user_func($response); |
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$response = $nextResponse; |
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} |
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// int, float, boolean, string |
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if (is_scalar($response)) { |
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if ($response === true) { |
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$response = 'true'; |
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} elseif ($response === false) { |
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$response = 'false'; |
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} |
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return response()->create((string)$response); |
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} |
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if ($response instanceof Generator) { |
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return response()->generator($response); |
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} |
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if (is_array($response) || is_object($response)) { |
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return response()->json($response); |
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} |
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if (is_resource($response)) { |
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if ('stream' === get_resource_type($response)) { |
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$mode = stream_get_meta_data($response)['mode']; |
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// @todo use Stream |
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if (strpos($mode, 'r') !== false || strpos($mode, '+') !== false) { |
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$contents = ''; |
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while (!feof($response)) { |
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$contents .= fread($response, 1024); |
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} |
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return response()->create($contents); |
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} |
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} |
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} |
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throw new RuntimeException('Unsupported Type of Response.'); |
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} |
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} |
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If a method or function can return multiple different values and unless you are sure that you only can receive a single value in this context, we recommend to add an additional type check:
If this a common case that PHP Analyzer should handle natively, please let us know by opening an issue.