diff options
Diffstat (limited to 'vendor/guzzle/guzzle/src/Guzzle/Http/Message/Header/CacheControl.php')
-rw-r--r-- | vendor/guzzle/guzzle/src/Guzzle/Http/Message/Header/CacheControl.php | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/vendor/guzzle/guzzle/src/Guzzle/Http/Message/Header/CacheControl.php b/vendor/guzzle/guzzle/src/Guzzle/Http/Message/Header/CacheControl.php new file mode 100644 index 0000000..77789e5 --- /dev/null +++ b/vendor/guzzle/guzzle/src/Guzzle/Http/Message/Header/CacheControl.php @@ -0,0 +1,121 @@ +<?php + +namespace Guzzle\Http\Message\Header; + +use Guzzle\Http\Message\Header; + +/** + * Provides helpful functionality for Cache-Control headers + */ +class CacheControl extends Header +{ + /** @var array */ + protected $directives; + + public function add($value) + { + parent::add($value); + $this->directives = null; + } + + public function removeValue($searchValue) + { + parent::removeValue($searchValue); + $this->directives = null; + } + + /** + * Check if a specific cache control directive exists + * + * @param string $param Directive to retrieve + * + * @return bool + */ + public function hasDirective($param) + { + $directives = $this->getDirectives(); + + return isset($directives[$param]); + } + + /** + * Get a specific cache control directive + * + * @param string $param Directive to retrieve + * + * @return string|bool|null + */ + public function getDirective($param) + { + $directives = $this->getDirectives(); + + return isset($directives[$param]) ? $directives[$param] : null; + } + + /** + * Add a cache control directive + * + * @param string $param Directive to add + * @param string $value Value to set + * + * @return self + */ + public function addDirective($param, $value) + { + $directives = $this->getDirectives(); + $directives[$param] = $value; + $this->updateFromDirectives($directives); + + return $this; + } + + /** + * Remove a cache control directive by name + * + * @param string $param Directive to remove + * + * @return self + */ + public function removeDirective($param) + { + $directives = $this->getDirectives(); + unset($directives[$param]); + $this->updateFromDirectives($directives); + + return $this; + } + + /** + * Get an associative array of cache control directives + * + * @return array + */ + public function getDirectives() + { + if ($this->directives === null) { + $this->directives = array(); + foreach ($this->parseParams() as $collection) { + foreach ($collection as $key => $value) { + $this->directives[$key] = $value === '' ? true : $value; + } + } + } + + return $this->directives; + } + + /** + * Updates the header value based on the parsed directives + * + * @param array $directives Array of cache control directives + */ + protected function updateFromDirectives(array $directives) + { + $this->directives = $directives; + $this->values = array(); + + foreach ($directives as $key => $value) { + $this->values[] = $value === true ? $key : "{$key}={$value}"; + } + } +} |