2010-05-03 10:40:23 +01:00
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<?php
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/*
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* This file is part of the Symfony package.
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*
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2011-03-06 11:40:06 +00:00
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* (c) Fabien Potencier <fabien@symfony.com>
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2010-05-03 10:40:23 +01:00
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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2011-01-15 13:29:43 +00:00
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namespace Symfony\Component\HttpFoundation;
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2010-05-03 10:40:23 +01:00
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/**
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2010-06-23 15:24:24 +01:00
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* HeaderBag is a container for HTTP headers.
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2010-05-03 10:40:23 +01:00
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*
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2011-03-06 11:40:06 +00:00
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* @author Fabien Potencier <fabien@symfony.com>
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2010-05-03 10:40:23 +01:00
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*/
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2010-06-23 15:24:24 +01:00
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class HeaderBag
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2010-05-03 10:40:23 +01:00
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{
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2010-06-23 15:24:24 +01:00
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protected $headers;
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2011-01-15 17:53:30 +00:00
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protected $cookies;
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2010-05-06 12:25:53 +01:00
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protected $cacheControl;
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/**
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* Constructor.
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*
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changed Cache-Control default value behavior
The PHP native cache limiter feature has been disabled as this is now managed
by the HeaderBag class directly instead (see below.)
The HeaderBag class uses the following rules to define a sensible and
convervative default value for the Response 'Cache-Control' header:
* If no cache header is defined ('Cache-Control', 'ETag', 'Last-Modified',
and 'Expires'), 'Cache-Control' is set to 'no-cache';
* If 'Cache-Control' is empty, its value is set to "private, max-age=0,
must-revalidate";
* But if at least one 'Cache-Control' directive is set, and no 'public' or
'private' directives have been explicitely added, Symfony2 adds the
'private' directive automatically (except when 's-maxage' is set.)
So, remember to explicitly add the 'public' directive to 'Cache-Control' when
you want shared caches to store your application resources:
// The Response is private by default
$response->setEtag($etag);
$response->setLastModified($date);
$response->setMaxAge(10);
// Change the Response to be public
$response->setPublic();
// Set cache settings in one call
$response->setCache(array(
'etag' => $etag,
'last_modified' => $date,
'max_age' => 10,
'public' => true,
));
2010-11-10 09:48:22 +00:00
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* @param array $headers An array of HTTP headers
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2010-05-06 12:25:53 +01:00
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*/
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changed Cache-Control default value behavior
The PHP native cache limiter feature has been disabled as this is now managed
by the HeaderBag class directly instead (see below.)
The HeaderBag class uses the following rules to define a sensible and
convervative default value for the Response 'Cache-Control' header:
* If no cache header is defined ('Cache-Control', 'ETag', 'Last-Modified',
and 'Expires'), 'Cache-Control' is set to 'no-cache';
* If 'Cache-Control' is empty, its value is set to "private, max-age=0,
must-revalidate";
* But if at least one 'Cache-Control' directive is set, and no 'public' or
'private' directives have been explicitely added, Symfony2 adds the
'private' directive automatically (except when 's-maxage' is set.)
So, remember to explicitly add the 'public' directive to 'Cache-Control' when
you want shared caches to store your application resources:
// The Response is private by default
$response->setEtag($etag);
$response->setLastModified($date);
$response->setMaxAge(10);
// Change the Response to be public
$response->setPublic();
// Set cache settings in one call
$response->setCache(array(
'etag' => $etag,
'last_modified' => $date,
'max_age' => 10,
'public' => true,
));
2010-11-10 09:48:22 +00:00
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public function __construct(array $headers = array())
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2010-05-03 10:40:23 +01:00
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{
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changed Cache-Control default value behavior
The PHP native cache limiter feature has been disabled as this is now managed
by the HeaderBag class directly instead (see below.)
The HeaderBag class uses the following rules to define a sensible and
convervative default value for the Response 'Cache-Control' header:
* If no cache header is defined ('Cache-Control', 'ETag', 'Last-Modified',
and 'Expires'), 'Cache-Control' is set to 'no-cache';
* If 'Cache-Control' is empty, its value is set to "private, max-age=0,
must-revalidate";
* But if at least one 'Cache-Control' directive is set, and no 'public' or
'private' directives have been explicitely added, Symfony2 adds the
'private' directive automatically (except when 's-maxage' is set.)
So, remember to explicitly add the 'public' directive to 'Cache-Control' when
you want shared caches to store your application resources:
// The Response is private by default
$response->setEtag($etag);
$response->setLastModified($date);
$response->setMaxAge(10);
// Change the Response to be public
$response->setPublic();
// Set cache settings in one call
$response->setCache(array(
'etag' => $etag,
'last_modified' => $date,
'max_age' => 10,
'public' => true,
));
2010-11-10 09:48:22 +00:00
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$this->cacheControl = array();
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2011-01-15 17:53:30 +00:00
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$this->cookies = array();
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2011-01-30 14:07:02 +00:00
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$this->headers = array();
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foreach ($headers as $key => $values) {
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$this->set($key, $values);
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}
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2010-05-06 12:25:53 +01:00
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}
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2011-05-15 11:38:12 +01:00
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/**
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* Returns the headers as a string.
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*
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* @return string The headers
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*/
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public function __toString()
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{
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2011-05-15 18:44:22 +01:00
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if (!$this->headers) {
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return '';
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}
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2011-05-15 11:38:12 +01:00
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$beautifier = function ($name) {
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return preg_replace('/\-(.)/e', "'-'.strtoupper('\\1')", ucfirst($name));
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};
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2011-05-15 11:43:05 +01:00
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$max = max(array_map('strlen', array_keys($this->headers))) + 1;
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2011-05-15 11:38:12 +01:00
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$content = '';
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foreach ($this->headers as $name => $values) {
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foreach ($values as $value) {
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2011-05-15 11:43:05 +01:00
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$content .= sprintf("%-{$max}s %s\r\n", $beautifier($name).':', $value);
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2011-05-15 11:38:12 +01:00
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}
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}
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return $content;
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}
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2010-06-23 15:24:24 +01:00
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/**
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* Returns the headers.
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*
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* @return array An array of headers
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*/
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public function all()
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{
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return $this->headers;
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}
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2010-08-26 09:56:46 +01:00
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/**
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* Returns the parameter keys.
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*
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* @return array An array of parameter keys
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*/
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public function keys()
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{
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return array_keys($this->headers);
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}
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2010-05-06 12:25:53 +01:00
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/**
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* Replaces the current HTTP headers by a new set.
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*
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2010-06-23 15:24:24 +01:00
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* @param array $headers An array of HTTP headers
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2010-05-06 12:25:53 +01:00
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*/
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2010-06-23 15:24:24 +01:00
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public function replace(array $headers = array())
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2010-05-06 12:25:53 +01:00
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{
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2010-06-23 15:24:24 +01:00
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$this->headers = array();
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2011-01-22 17:34:18 +00:00
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$this->add($headers);
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}
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/**
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* Adds new headers the current HTTP headers set.
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*
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* @param array $headers An array of HTTP headers
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*/
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public function add(array $headers)
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{
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2010-06-23 15:24:24 +01:00
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foreach ($headers as $key => $values) {
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$this->set($key, $values);
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2010-05-06 12:25:53 +01:00
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}
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}
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/**
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* Returns a header value by name.
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*
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2010-10-27 21:27:33 +01:00
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* @param string $key The header name
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* @param mixed $default The default value
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* @param Boolean $first Whether to return the first value or all header values
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2010-06-23 15:24:24 +01:00
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*
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* @return string|array The first header value if $first is true, an array of values otherwise
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2010-05-06 12:25:53 +01:00
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*/
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2010-10-27 21:27:33 +01:00
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public function get($key, $default = null, $first = true)
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2010-05-06 12:25:53 +01:00
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{
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$key = strtr(strtolower($key), '_', '-');
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2010-06-23 15:24:24 +01:00
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if (!array_key_exists($key, $this->headers)) {
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2010-10-27 21:27:33 +01:00
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if (null === $default) {
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return $first ? null : array();
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}
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2011-02-27 17:28:11 +00:00
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return $first ? $default : array($default);
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2010-06-23 15:24:24 +01:00
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}
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if ($first) {
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2010-10-27 21:27:33 +01:00
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return count($this->headers[$key]) ? $this->headers[$key][0] : $default;
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2010-06-23 15:24:24 +01:00
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}
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2011-02-27 17:28:11 +00:00
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return $this->headers[$key];
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2010-05-06 12:25:53 +01:00
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}
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/**
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* Sets a header by name.
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*
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2010-06-23 15:24:24 +01:00
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* @param string $key The key
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* @param string|array $values The value or an array of values
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* @param Boolean $replace Whether to replace the actual value of not (true by default)
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2010-05-06 12:25:53 +01:00
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*/
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2010-06-23 15:24:24 +01:00
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public function set($key, $values, $replace = true)
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2010-05-06 12:25:53 +01:00
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{
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$key = strtr(strtolower($key), '_', '-');
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2011-04-26 10:39:34 +01:00
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$values = (array) $values;
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2010-05-06 12:25:53 +01:00
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2010-06-23 15:24:24 +01:00
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if (true === $replace || !isset($this->headers[$key])) {
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$this->headers[$key] = $values;
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} else {
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$this->headers[$key] = array_merge($this->headers[$key], $values);
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}
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changed Cache-Control default value behavior
The PHP native cache limiter feature has been disabled as this is now managed
by the HeaderBag class directly instead (see below.)
The HeaderBag class uses the following rules to define a sensible and
convervative default value for the Response 'Cache-Control' header:
* If no cache header is defined ('Cache-Control', 'ETag', 'Last-Modified',
and 'Expires'), 'Cache-Control' is set to 'no-cache';
* If 'Cache-Control' is empty, its value is set to "private, max-age=0,
must-revalidate";
* But if at least one 'Cache-Control' directive is set, and no 'public' or
'private' directives have been explicitely added, Symfony2 adds the
'private' directive automatically (except when 's-maxage' is set.)
So, remember to explicitly add the 'public' directive to 'Cache-Control' when
you want shared caches to store your application resources:
// The Response is private by default
$response->setEtag($etag);
$response->setLastModified($date);
$response->setMaxAge(10);
// Change the Response to be public
$response->setPublic();
// Set cache settings in one call
$response->setCache(array(
'etag' => $etag,
'last_modified' => $date,
'max_age' => 10,
'public' => true,
));
2010-11-10 09:48:22 +00:00
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if ('cache-control' === $key) {
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$this->cacheControl = $this->parseCacheControl($values[0]);
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}
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2010-05-03 10:40:23 +01:00
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}
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2010-05-06 12:25:53 +01:00
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/**
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* Returns true if the HTTP header is defined.
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*
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* @param string $key The HTTP header
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*
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* @return Boolean true if the parameter exists, false otherwise
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*/
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public function has($key)
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2010-05-03 17:10:24 +01:00
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{
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2010-06-23 15:24:24 +01:00
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return array_key_exists(strtr(strtolower($key), '_', '-'), $this->headers);
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2010-05-03 17:10:24 +01:00
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}
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2010-05-06 12:25:53 +01:00
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[HttpKernel] removed Response assertions
They are too magic and they don't really add value:
$this->assertResponseStatusCodeEmpty($client);
$this->assertTrue($client->getResponse()->isEmpty());
$this->assertResponseStatusCodeNotFound($client);
$this->assertTrue($client->getResponse()->isNotFound());
$this->assertResponseStatusCodeForbidden($client);
$this->assertTrue($client->getResponse()->isForbidden());
$this->assertResponseStatusCodeOk($client);
$this->assertTrue($client->getResponse()->isOk());
$this->assertResponseStatusCodeServerError($client);
$this->assertTrue($client->getResponse()->isServerError());
$this->assertResponseStatusCodeClientError($client);
$this->assertTrue($client->getResponse()->isClientError());
$this->assertResponseStatusCodeRedirection($client);
$this->assertTrue($client->getResponse()->isRedirection());
$this->assertResponseStatusCodeSuccessful($client);
$this->assertTrue($client->getResponse()->isSuccessful());
$this->assertResponseStatusCodeInformational($client);
$this->assertTrue($client->getResponse()->isInformational());
$this->assertResponseStatusCode(200, $client);
$this->assertEquals(200, $client->getResponse()->getStatusCode());
$this->assertResponseStatusCodeRedirect('google.com', $client);
$this->assertTrue($client->getResponse()->isRedirected('google.com'));
$this->assertResponseNotRegExp('/foo/', $client);
$this->assertNotRegExp('/foo', $client->getResponse()->getContent());
$this->assertResponseRegExp('/foo/', $client);
$this->assertRegExp('/foo', $client->getResponse()->getContent());
$this->assertResponseNotSelectExists('h1', $client);
$this->assertTrue($crawler->filter('h1')->isEmpty());
$this->assertResponseSelectExists('h1', $client);
$this->assertFalse($crawler->filter('h1')->isEmpty());
$this->assertResponseSelectCount(3, 'h1', $client);
$this->assertEquals(3, $crawler->filter('h1')->count());
$this->assertResponseSelectEquals($expected, $selector, $arguments, $client);
$this->assertEquals($expected, $crawler->filter($selector)->extract($arguments));
$this->assertResponseHeaderEquals($value, $key, $client);
$this->assertTrue($client->getResponse()->headers->contains($key, $value));
$this->assertResponseNotHeaderEquals($value, $key, $client);
$this->assertFalse($client->getResponse()->headers->contains($key, $value));
$this->assertResponseHeaderRegExp($regex, $key, $client);
$this->assertRegExp($regex, $client->getResponse()->headers->get($key));
$this->assertResponseNotHeaderRegExp($regex, $key, $client);
$this->assertNotRegExp($regex, $client->getResponse()->headers->get($key));
$this->assertResponseCookie($value, $attributes, $name, $client);
$this->assertTrue($client->getResponse()->hasCookie($name));
2010-06-23 09:39:33 +01:00
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/**
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* Returns true if the given HTTP header contains the given value.
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*
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* @param string $key The HTTP header name
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* @param string $value The HTTP value
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*
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* @return Boolean true if the value is contained in the header, false otherwise
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*/
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public function contains($key, $value)
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{
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2010-10-27 21:27:33 +01:00
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return in_array($value, $this->get($key, null, false));
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[HttpKernel] removed Response assertions
They are too magic and they don't really add value:
$this->assertResponseStatusCodeEmpty($client);
$this->assertTrue($client->getResponse()->isEmpty());
$this->assertResponseStatusCodeNotFound($client);
$this->assertTrue($client->getResponse()->isNotFound());
$this->assertResponseStatusCodeForbidden($client);
$this->assertTrue($client->getResponse()->isForbidden());
$this->assertResponseStatusCodeOk($client);
$this->assertTrue($client->getResponse()->isOk());
$this->assertResponseStatusCodeServerError($client);
$this->assertTrue($client->getResponse()->isServerError());
$this->assertResponseStatusCodeClientError($client);
$this->assertTrue($client->getResponse()->isClientError());
$this->assertResponseStatusCodeRedirection($client);
$this->assertTrue($client->getResponse()->isRedirection());
$this->assertResponseStatusCodeSuccessful($client);
$this->assertTrue($client->getResponse()->isSuccessful());
$this->assertResponseStatusCodeInformational($client);
$this->assertTrue($client->getResponse()->isInformational());
$this->assertResponseStatusCode(200, $client);
$this->assertEquals(200, $client->getResponse()->getStatusCode());
$this->assertResponseStatusCodeRedirect('google.com', $client);
$this->assertTrue($client->getResponse()->isRedirected('google.com'));
$this->assertResponseNotRegExp('/foo/', $client);
$this->assertNotRegExp('/foo', $client->getResponse()->getContent());
$this->assertResponseRegExp('/foo/', $client);
$this->assertRegExp('/foo', $client->getResponse()->getContent());
$this->assertResponseNotSelectExists('h1', $client);
$this->assertTrue($crawler->filter('h1')->isEmpty());
$this->assertResponseSelectExists('h1', $client);
$this->assertFalse($crawler->filter('h1')->isEmpty());
$this->assertResponseSelectCount(3, 'h1', $client);
$this->assertEquals(3, $crawler->filter('h1')->count());
$this->assertResponseSelectEquals($expected, $selector, $arguments, $client);
$this->assertEquals($expected, $crawler->filter($selector)->extract($arguments));
$this->assertResponseHeaderEquals($value, $key, $client);
$this->assertTrue($client->getResponse()->headers->contains($key, $value));
$this->assertResponseNotHeaderEquals($value, $key, $client);
$this->assertFalse($client->getResponse()->headers->contains($key, $value));
$this->assertResponseHeaderRegExp($regex, $key, $client);
$this->assertRegExp($regex, $client->getResponse()->headers->get($key));
$this->assertResponseNotHeaderRegExp($regex, $key, $client);
$this->assertNotRegExp($regex, $client->getResponse()->headers->get($key));
$this->assertResponseCookie($value, $attributes, $name, $client);
$this->assertTrue($client->getResponse()->hasCookie($name));
2010-06-23 09:39:33 +01:00
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}
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2010-05-06 12:25:53 +01:00
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/**
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2010-11-23 08:42:19 +00:00
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* Removes a header.
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2010-05-06 12:25:53 +01:00
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*
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* @param string $key The HTTP header name
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*/
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2010-11-23 08:42:19 +00:00
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public function remove($key)
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2010-05-03 10:40:23 +01:00
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{
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changed Cache-Control default value behavior
The PHP native cache limiter feature has been disabled as this is now managed
by the HeaderBag class directly instead (see below.)
The HeaderBag class uses the following rules to define a sensible and
convervative default value for the Response 'Cache-Control' header:
* If no cache header is defined ('Cache-Control', 'ETag', 'Last-Modified',
and 'Expires'), 'Cache-Control' is set to 'no-cache';
* If 'Cache-Control' is empty, its value is set to "private, max-age=0,
must-revalidate";
* But if at least one 'Cache-Control' directive is set, and no 'public' or
'private' directives have been explicitely added, Symfony2 adds the
'private' directive automatically (except when 's-maxage' is set.)
So, remember to explicitly add the 'public' directive to 'Cache-Control' when
you want shared caches to store your application resources:
// The Response is private by default
$response->setEtag($etag);
$response->setLastModified($date);
$response->setMaxAge(10);
// Change the Response to be public
$response->setPublic();
// Set cache settings in one call
$response->setCache(array(
'etag' => $etag,
'last_modified' => $date,
'max_age' => 10,
'public' => true,
));
2010-11-10 09:48:22 +00:00
|
|
|
$key = strtr(strtolower($key), '_', '-');
|
2010-05-03 10:40:23 +01:00
|
|
|
|
changed Cache-Control default value behavior
The PHP native cache limiter feature has been disabled as this is now managed
by the HeaderBag class directly instead (see below.)
The HeaderBag class uses the following rules to define a sensible and
convervative default value for the Response 'Cache-Control' header:
* If no cache header is defined ('Cache-Control', 'ETag', 'Last-Modified',
and 'Expires'), 'Cache-Control' is set to 'no-cache';
* If 'Cache-Control' is empty, its value is set to "private, max-age=0,
must-revalidate";
* But if at least one 'Cache-Control' directive is set, and no 'public' or
'private' directives have been explicitely added, Symfony2 adds the
'private' directive automatically (except when 's-maxage' is set.)
So, remember to explicitly add the 'public' directive to 'Cache-Control' when
you want shared caches to store your application resources:
// The Response is private by default
$response->setEtag($etag);
$response->setLastModified($date);
$response->setMaxAge(10);
// Change the Response to be public
$response->setPublic();
// Set cache settings in one call
$response->setCache(array(
'etag' => $etag,
'last_modified' => $date,
'max_age' => 10,
'public' => true,
));
2010-11-10 09:48:22 +00:00
|
|
|
unset($this->headers[$key]);
|
2010-05-06 12:25:53 +01:00
|
|
|
|
changed Cache-Control default value behavior
The PHP native cache limiter feature has been disabled as this is now managed
by the HeaderBag class directly instead (see below.)
The HeaderBag class uses the following rules to define a sensible and
convervative default value for the Response 'Cache-Control' header:
* If no cache header is defined ('Cache-Control', 'ETag', 'Last-Modified',
and 'Expires'), 'Cache-Control' is set to 'no-cache';
* If 'Cache-Control' is empty, its value is set to "private, max-age=0,
must-revalidate";
* But if at least one 'Cache-Control' directive is set, and no 'public' or
'private' directives have been explicitely added, Symfony2 adds the
'private' directive automatically (except when 's-maxage' is set.)
So, remember to explicitly add the 'public' directive to 'Cache-Control' when
you want shared caches to store your application resources:
// The Response is private by default
$response->setEtag($etag);
$response->setLastModified($date);
$response->setMaxAge(10);
// Change the Response to be public
$response->setPublic();
// Set cache settings in one call
$response->setCache(array(
'etag' => $etag,
'last_modified' => $date,
'max_age' => 10,
'public' => true,
));
2010-11-10 09:48:22 +00:00
|
|
|
if ('cache-control' === $key) {
|
|
|
|
$this->cacheControl = array();
|
|
|
|
}
|
2010-05-03 10:40:23 +01:00
|
|
|
}
|
|
|
|
|
2010-06-23 15:24:24 +01:00
|
|
|
/**
|
|
|
|
* Sets a cookie.
|
|
|
|
*
|
2011-01-15 17:53:30 +00:00
|
|
|
* @param Cookie $cookie
|
|
|
|
* @return void
|
|
|
|
*/
|
|
|
|
public function setCookie(Cookie $cookie)
|
|
|
|
{
|
|
|
|
$this->cookies[$cookie->getName()] = $cookie;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Removes a cookie from the array, but does not unset it in the browser
|
|
|
|
*
|
|
|
|
* @param string $name
|
|
|
|
* @return void
|
|
|
|
*/
|
|
|
|
public function removeCookie($name)
|
|
|
|
{
|
|
|
|
unset($this->cookies[$name]);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Whether the array contains any cookie with this name
|
|
|
|
*
|
|
|
|
* @param string $name
|
|
|
|
* @return Boolean
|
|
|
|
*/
|
|
|
|
public function hasCookie($name)
|
|
|
|
{
|
|
|
|
return isset($this->cookies[$name]);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Returns a cookie
|
|
|
|
*
|
|
|
|
* @param string $name
|
2011-02-11 16:57:07 +00:00
|
|
|
*
|
|
|
|
* @throws \InvalidArgumentException When the cookie does not exist
|
|
|
|
*
|
2011-01-15 17:53:30 +00:00
|
|
|
* @return Cookie
|
2010-06-23 15:24:24 +01:00
|
|
|
*/
|
2011-01-15 17:53:30 +00:00
|
|
|
public function getCookie($name)
|
2010-06-23 15:24:24 +01:00
|
|
|
{
|
2011-01-15 17:53:30 +00:00
|
|
|
if (!$this->hasCookie($name)) {
|
|
|
|
throw new \InvalidArgumentException(sprintf('There is no cookie with name "%s".', $name));
|
|
|
|
}
|
|
|
|
|
|
|
|
return $this->cookies[$name];
|
|
|
|
}
|
2010-06-23 15:24:24 +01:00
|
|
|
|
2011-01-15 17:53:30 +00:00
|
|
|
/**
|
|
|
|
* Returns an array with all cookies
|
|
|
|
*
|
|
|
|
* @return array
|
|
|
|
*/
|
|
|
|
public function getCookies()
|
|
|
|
{
|
|
|
|
return $this->cookies;
|
2010-06-23 15:24:24 +01:00
|
|
|
}
|
|
|
|
|
2010-05-10 18:40:18 +01:00
|
|
|
/**
|
|
|
|
* Returns the HTTP header value converted to a date.
|
|
|
|
*
|
|
|
|
* @param string $key The parameter key
|
|
|
|
* @param \DateTime $default The default value
|
|
|
|
*
|
|
|
|
* @return \DateTime The filtered value
|
|
|
|
*/
|
|
|
|
public function getDate($key, \DateTime $default = null)
|
|
|
|
{
|
|
|
|
if (null === $value = $this->get($key)) {
|
|
|
|
return $default;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (false === $date = \DateTime::createFromFormat(DATE_RFC2822, $value)) {
|
|
|
|
throw new \RuntimeException(sprintf('The %s HTTP header is not parseable (%s).', $key, $value));
|
|
|
|
}
|
|
|
|
|
|
|
|
return $date;
|
|
|
|
}
|
|
|
|
|
changed Cache-Control default value behavior
The PHP native cache limiter feature has been disabled as this is now managed
by the HeaderBag class directly instead (see below.)
The HeaderBag class uses the following rules to define a sensible and
convervative default value for the Response 'Cache-Control' header:
* If no cache header is defined ('Cache-Control', 'ETag', 'Last-Modified',
and 'Expires'), 'Cache-Control' is set to 'no-cache';
* If 'Cache-Control' is empty, its value is set to "private, max-age=0,
must-revalidate";
* But if at least one 'Cache-Control' directive is set, and no 'public' or
'private' directives have been explicitely added, Symfony2 adds the
'private' directive automatically (except when 's-maxage' is set.)
So, remember to explicitly add the 'public' directive to 'Cache-Control' when
you want shared caches to store your application resources:
// The Response is private by default
$response->setEtag($etag);
$response->setLastModified($date);
$response->setMaxAge(10);
// Change the Response to be public
$response->setPublic();
// Set cache settings in one call
$response->setCache(array(
'etag' => $etag,
'last_modified' => $date,
'max_age' => 10,
'public' => true,
));
2010-11-10 09:48:22 +00:00
|
|
|
public function addCacheControlDirective($key, $value = true)
|
|
|
|
{
|
|
|
|
$this->cacheControl[$key] = $value;
|
|
|
|
|
|
|
|
$this->set('Cache-Control', $this->getCacheControlHeader());
|
|
|
|
}
|
|
|
|
|
|
|
|
public function hasCacheControlDirective($key)
|
|
|
|
{
|
|
|
|
return array_key_exists($key, $this->cacheControl);
|
|
|
|
}
|
|
|
|
|
|
|
|
public function getCacheControlDirective($key)
|
|
|
|
{
|
|
|
|
return array_key_exists($key, $this->cacheControl) ? $this->cacheControl[$key] : null;
|
|
|
|
}
|
|
|
|
|
|
|
|
public function removeCacheControlDirective($key)
|
|
|
|
{
|
|
|
|
unset($this->cacheControl[$key]);
|
|
|
|
|
|
|
|
$this->set('Cache-Control', $this->getCacheControlHeader());
|
|
|
|
}
|
|
|
|
|
|
|
|
protected function getCacheControlHeader()
|
|
|
|
{
|
|
|
|
$parts = array();
|
|
|
|
ksort($this->cacheControl);
|
|
|
|
foreach ($this->cacheControl as $key => $value) {
|
|
|
|
if (true === $value) {
|
|
|
|
$parts[] = $key;
|
|
|
|
} else {
|
|
|
|
if (preg_match('#[^a-zA-Z0-9._-]#', $value)) {
|
|
|
|
$value = '"'.$value.'"';
|
|
|
|
}
|
|
|
|
|
|
|
|
$parts[] = "$key=$value";
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return implode(', ', $parts);
|
|
|
|
}
|
|
|
|
|
2010-05-06 12:25:53 +01:00
|
|
|
/**
|
changed Cache-Control default value behavior
The PHP native cache limiter feature has been disabled as this is now managed
by the HeaderBag class directly instead (see below.)
The HeaderBag class uses the following rules to define a sensible and
convervative default value for the Response 'Cache-Control' header:
* If no cache header is defined ('Cache-Control', 'ETag', 'Last-Modified',
and 'Expires'), 'Cache-Control' is set to 'no-cache';
* If 'Cache-Control' is empty, its value is set to "private, max-age=0,
must-revalidate";
* But if at least one 'Cache-Control' directive is set, and no 'public' or
'private' directives have been explicitely added, Symfony2 adds the
'private' directive automatically (except when 's-maxage' is set.)
So, remember to explicitly add the 'public' directive to 'Cache-Control' when
you want shared caches to store your application resources:
// The Response is private by default
$response->setEtag($etag);
$response->setLastModified($date);
$response->setMaxAge(10);
// Change the Response to be public
$response->setPublic();
// Set cache settings in one call
$response->setCache(array(
'etag' => $etag,
'last_modified' => $date,
'max_age' => 10,
'public' => true,
));
2010-11-10 09:48:22 +00:00
|
|
|
* Parses a Cache-Control HTTP header.
|
2010-05-06 12:25:53 +01:00
|
|
|
*
|
changed Cache-Control default value behavior
The PHP native cache limiter feature has been disabled as this is now managed
by the HeaderBag class directly instead (see below.)
The HeaderBag class uses the following rules to define a sensible and
convervative default value for the Response 'Cache-Control' header:
* If no cache header is defined ('Cache-Control', 'ETag', 'Last-Modified',
and 'Expires'), 'Cache-Control' is set to 'no-cache';
* If 'Cache-Control' is empty, its value is set to "private, max-age=0,
must-revalidate";
* But if at least one 'Cache-Control' directive is set, and no 'public' or
'private' directives have been explicitely added, Symfony2 adds the
'private' directive automatically (except when 's-maxage' is set.)
So, remember to explicitly add the 'public' directive to 'Cache-Control' when
you want shared caches to store your application resources:
// The Response is private by default
$response->setEtag($etag);
$response->setLastModified($date);
$response->setMaxAge(10);
// Change the Response to be public
$response->setPublic();
// Set cache settings in one call
$response->setCache(array(
'etag' => $etag,
'last_modified' => $date,
'max_age' => 10,
'public' => true,
));
2010-11-10 09:48:22 +00:00
|
|
|
* @param string $header The value of the Cache-Control HTTP header
|
2010-05-06 12:25:53 +01:00
|
|
|
*
|
changed Cache-Control default value behavior
The PHP native cache limiter feature has been disabled as this is now managed
by the HeaderBag class directly instead (see below.)
The HeaderBag class uses the following rules to define a sensible and
convervative default value for the Response 'Cache-Control' header:
* If no cache header is defined ('Cache-Control', 'ETag', 'Last-Modified',
and 'Expires'), 'Cache-Control' is set to 'no-cache';
* If 'Cache-Control' is empty, its value is set to "private, max-age=0,
must-revalidate";
* But if at least one 'Cache-Control' directive is set, and no 'public' or
'private' directives have been explicitely added, Symfony2 adds the
'private' directive automatically (except when 's-maxage' is set.)
So, remember to explicitly add the 'public' directive to 'Cache-Control' when
you want shared caches to store your application resources:
// The Response is private by default
$response->setEtag($etag);
$response->setLastModified($date);
$response->setMaxAge(10);
// Change the Response to be public
$response->setPublic();
// Set cache settings in one call
$response->setCache(array(
'etag' => $etag,
'last_modified' => $date,
'max_age' => 10,
'public' => true,
));
2010-11-10 09:48:22 +00:00
|
|
|
* @return array An array representing the attribute values
|
2010-05-06 12:25:53 +01:00
|
|
|
*/
|
changed Cache-Control default value behavior
The PHP native cache limiter feature has been disabled as this is now managed
by the HeaderBag class directly instead (see below.)
The HeaderBag class uses the following rules to define a sensible and
convervative default value for the Response 'Cache-Control' header:
* If no cache header is defined ('Cache-Control', 'ETag', 'Last-Modified',
and 'Expires'), 'Cache-Control' is set to 'no-cache';
* If 'Cache-Control' is empty, its value is set to "private, max-age=0,
must-revalidate";
* But if at least one 'Cache-Control' directive is set, and no 'public' or
'private' directives have been explicitely added, Symfony2 adds the
'private' directive automatically (except when 's-maxage' is set.)
So, remember to explicitly add the 'public' directive to 'Cache-Control' when
you want shared caches to store your application resources:
// The Response is private by default
$response->setEtag($etag);
$response->setLastModified($date);
$response->setMaxAge(10);
// Change the Response to be public
$response->setPublic();
// Set cache settings in one call
$response->setCache(array(
'etag' => $etag,
'last_modified' => $date,
'max_age' => 10,
'public' => true,
));
2010-11-10 09:48:22 +00:00
|
|
|
protected function parseCacheControl($header)
|
|
|
|
{
|
|
|
|
$cacheControl = array();
|
|
|
|
preg_match_all('#([a-zA-Z][a-zA-Z_-]*)\s*(?:=(?:"([^"]*)"|([^ \t",;]*)))?#', $header, $matches, PREG_SET_ORDER);
|
|
|
|
foreach ($matches as $match) {
|
|
|
|
$cacheControl[strtolower($match[1])] = isset($match[2]) && $match[2] ? $match[2] : (isset($match[3]) ? $match[3] : true);
|
|
|
|
}
|
|
|
|
|
|
|
|
return $cacheControl;
|
|
|
|
}
|
2010-05-03 10:40:23 +01:00
|
|
|
}
|