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<?php |
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declare(strict_types=1); |
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namespace Furious\Psr7\Header; |
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final class HeadersCollection |
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{ |
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private array $serverParameters; |
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/** |
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* HeadersCollection constructor. |
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* @param array $serverParameters |
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*/ |
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public function __construct(array $serverParameters) |
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{ |
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$this->serverParameters = $serverParameters; |
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} |
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public function get(): array |
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{ |
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$headers = []; |
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foreach ($this->serverParameters as $key => $value) { |
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if (!is_string($key) or $value === '') { |
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continue; |
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} |
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if ($name = $this->getHeaderName($key)) { |
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$headers[$name] = $value; |
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} |
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} |
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return $headers; |
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} |
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private function getHeaderName(string $key): ?string |
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{ |
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$name = null; |
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if ($this->isRedirectHeader($key)) { |
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$key = substr($key, 9); |
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} |
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if ($this->isContentHeader($key)) { |
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$name = strtr(strtolower($key), '_', '-'); |
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} |
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if ($this->isHttpHeader($key)) { |
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$name = strtr(strtolower(substr($key, 5)), '_', '-'); |
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} |
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return $name; |
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} |
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private function isRedirectHeader(string $key): bool |
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{ |
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return strpos($key, 'REDIRECT_') === 0; |
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} |
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private function isContentHeader(string $key): bool |
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{ |
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return strpos($key, 'CONTENT_') === 0; |
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} |
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private function isHttpHeader(string $key): bool |
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{ |
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return strpos($key, 'HTTP_') === 0; |
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} |
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} |
Furious-PHP /
psr7
