本文整理匯總了PHP中Symfony\Component\HttpFoundation\ResponseHeaderBag::getCacheControlDirective方法的典型用法代碼示例。如果您正苦於以下問題：PHP ResponseHeaderBag::getCacheControlDirective方法的具體用法？PHP ResponseHeaderBag::getCacheControlDirective怎麽用？PHP ResponseHeaderBag::getCacheControlDirective使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類Symfony\Component\HttpFoundation\ResponseHeaderBag的用法示例。
在下文中一共展示了ResponseHeaderBag::getCacheControlDirective方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的PHP代碼示例。
示例1: testCacheControlHeader
public function testCacheControlHeader()
{
$bag = new ResponseHeaderBag(array(), 'response');
$this->assertEquals('no-cache', $bag->get('Cache-Control'));
$this->assertTrue($bag->hasCacheControlDirective('no-cache'));
$bag = new ResponseHeaderBag(array('Cache-Control' => 'public'), 'response');
$this->assertEquals('public', $bag->get('Cache-Control'));
$this->assertTrue($bag->hasCacheControlDirective('public'));
$bag = new ResponseHeaderBag(array('ETag' => 'abcde'), 'response');
$this->assertEquals('private, max-age=0, must-revalidate', $bag->get('Cache-Control'));
$this->assertTrue($bag->hasCacheControlDirective('private'));
$this->assertTrue($bag->hasCacheControlDirective('must-revalidate'));
$this->assertEquals(0, $bag->getCacheControlDirective('max-age'));
$bag = new ResponseHeaderBag(array('Last-Modified' => 'abcde'), 'response');
$this->assertEquals('private, max-age=0, must-revalidate', $bag->get('Cache-Control'));
$bag = new ResponseHeaderBag(array('Etag' => 'abcde', 'Last-Modified' => 'abcde'), 'response');
$this->assertEquals('private, max-age=0, must-revalidate', $bag->get('Cache-Control'));
$bag = new ResponseHeaderBag(array('cache-control' => 'max-age=100'), 'response');
$this->assertEquals('max-age=100, private', $bag->get('Cache-Control'));
$bag = new ResponseHeaderBag(array('cache-control' => 's-maxage=100'), 'response');
$this->assertEquals('s-maxage=100', $bag->get('Cache-Control'));
$bag = new ResponseHeaderBag(array('cache-control' => 'private, max-age=100'), 'response');
$this->assertEquals('max-age=100, private', $bag->get('Cache-Control'));
$bag = new ResponseHeaderBag(array('cache-control' => 'public, max-age=100'), 'response');
$this->assertEquals('max-age=100, public', $bag->get('Cache-Control'));
}示例2: getMaxAge
/**
* Returns the number of seconds after the time specified in the response's Date
* header when the response should no longer be considered fresh.
*
* First, it checks for a s-maxage directive, then a max-age directive, and then it falls
* back on an expires header. It returns null when no maximum age can be established.
*
* @return int|null Number of seconds
*
* @api
*/
public function getMaxAge()
{
if ($this->headers->hasCacheControlDirective('s-maxage')) {
return (int) $this->headers->getCacheControlDirective('s-maxage');
}
if ($this->headers->hasCacheControlDirective('max-age')) {
return (int) $this->headers->getCacheControlDirective('max-age');
}
if (null !== $this->getExpires()) {
return $this->getExpires()->format('U') - $this->getDate()->format('U');
}
}