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<?php |
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/** |
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* PSR-7 Cache Helpers |
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* |
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* @copyright Copyright (c) 2016, Michel Hunziker <[email protected]> |
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* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD-3-Clause License |
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*/ |
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namespace Micheh\Cache\Header; |
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/** |
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* Cache-Control header for a request. |
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*/ |
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class RequestCacheControl extends CacheControl |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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protected static $directiveMethods = [ |
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'max-stale' => 'withMaxStale', |
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'min-fresh' => 'withMinFresh', |
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'only-if-cached' => 'withOnlyIfCached', |
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]; |
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/** |
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* Create a new Request Cache-Control object from a header string. |
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* |
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* @param string $string |
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* @return static |
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*/ |
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public static function fromString($string) |
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{ |
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return static::createFromString($string); |
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} |
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/** |
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* Set how many seconds a stale representation is acceptable. |
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* |
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* @param int $seconds |
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* @return static |
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*/ |
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public function withMaxStale($seconds) |
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{ |
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return $this->withDirective('max-stale', (int) $seconds); |
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} |
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/** |
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* @return int|null |
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*/ |
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public function getMaxStale() |
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{ |
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return $this->getDirective('max-stale'); |
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} |
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/** |
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* Set how many seconds the representation should still be fresh. |
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* |
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* @param int $seconds |
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* @return static |
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*/ |
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public function withMinFresh($seconds) |
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{ |
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return $this->withDirective('min-fresh', (int) $seconds); |
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} |
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/** |
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* @return int|null |
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*/ |
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public function getMinFresh() |
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{ |
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return $this->getDirective('min-fresh'); |
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} |
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/** |
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* Set whether only a stored response should be returned. |
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* |
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* @param bool $flag |
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* @return static |
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*/ |
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public function withOnlyIfCached($flag = true) |
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{ |
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return $this->withDirective('only-if-cached', (bool) $flag); |
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} |
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/** |
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* @return bool |
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*/ |
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public function hasOnlyIfCached() |
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{ |
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return $this->hasDirective('only-if-cached'); |
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} |
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} |
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micheh /
psr7-cache
