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Resources	[ DIR ]	drwxr-xr-x
Session	[ DIR ]	drwxr-xr-x
AcceptHeader.php	3.53 KB	-rw-r--r--
AcceptHeaderItem.php	4.8 KB	-rw-r--r--
ApacheRequest.php	930 B	-rw-r--r--
BinaryFileResponse.php	9.43 KB	-rw-r--r--
Cookie.php	4.95 KB	-rw-r--r--
ExpressionRequestMatcher.php	1.33 KB	-rw-r--r--
FileBag.php	3.94 KB	-rw-r--r--
HeaderBag.php	7.95 KB	-rw-r--r--
IpUtils.php	3.43 KB	-rw-r--r--
JsonResponse.php	4.52 KB	-rw-r--r--
ParameterBag.php	7.91 KB	-rw-r--r--
RedirectResponse.php	2.63 KB	-rw-r--r--
Request.php	54.6 KB	-rw-r--r--
RequestMatcher.php	3.71 KB	-rw-r--r--
RequestMatcherInterface.php	791 B	-rw-r--r--
RequestStack.php	2.32 KB	-rw-r--r--
Response.php	34.97 KB	-rw-r--r--
ResponseHeaderBag.php	8.64 KB	-rw-r--r--
ServerBag.php	3.62 KB	-rw-r--r--
StreamedResponse.php	3.14 KB	-rw-r--r--
autoloader.php	344 B	-rw-r--r--

Code Editor : HeaderBag.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\HttpFoundation;

/**
 * HeaderBag is a container for HTTP headers.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 *
 * @api
 */
class HeaderBag implements \IteratorAggregate, \Countable
{
    protected $headers = array();
    protected $cacheControl = array();

/**
     * Constructor.
     *
     * @param array $headers An array of HTTP headers
     *
     * @api
     */
    public function __construct(array $headers = array())
    {
        foreach ($headers as $key => $values) {
            $this->set($key, $values);
        }
    }

/**
     * Returns the headers as a string.
     *
     * @return string The headers
     */
    public function __toString()
    {
        if (!$this->headers) {
            return '';
        }

$max = max(array_map('strlen', array_keys($this->headers))) + 1;
        $content = '';
        ksort($this->headers);
        foreach ($this->headers as $name => $values) {
            $name = implode('-', array_map('ucfirst', explode('-', $name)));
            foreach ($values as $value) {
                $content .= sprintf("%-{$max}s %s\r\n", $name.':', $value);
            }
        }

return $content;
    }

/**
     * Returns the headers.
     *
     * @return array An array of headers
     *
     * @api
     */
    public function all()
    {
        return $this->headers;
    }

/**
     * Returns the parameter keys.
     *
     * @return array An array of parameter keys
     *
     * @api
     */
    public function keys()
    {
        return array_keys($this->headers);
    }

/**
     * Replaces the current HTTP headers by a new set.
     *
     * @param array $headers An array of HTTP headers
     *
     * @api
     */
    public function replace(array $headers = array())
    {
        $this->headers = array();
        $this->add($headers);
    }

/**
     * Adds new headers the current HTTP headers set.
     *
     * @param array $headers An array of HTTP headers
     *
     * @api
     */
    public function add(array $headers)
    {
        foreach ($headers as $key => $values) {
            $this->set($key, $values);
        }
    }

/**
     * Returns a header value by name.
     *
     * @param string  $key     The header name
     * @param mixed   $default The default value
     * @param Boolean $first   Whether to return the first value or all header values
     *
     * @return string|array The first header value if $first is true, an array of values otherwise
     *
     * @api
     */
    public function get($key, $default = null, $first = true)
    {
        $key = strtr(strtolower($key), '_', '-');

if (!array_key_exists($key, $this->headers)) {
            if (null === $default) {
                return $first ? null : array();
            }

return $first ? $default : array($default);
        }

if ($first) {
            return count($this->headers[$key]) ? $this->headers[$key][0] : $default;
        }

return $this->headers[$key];
    }

/**
     * Sets a header by name.
     *
     * @param string       $key     The key
     * @param string|array $values  The value or an array of values
     * @param Boolean      $replace Whether to replace the actual value or not (true by default)
     *
     * @api
     */
    public function set($key, $values, $replace = true)
    {
        $key = strtr(strtolower($key), '_', '-');

$values = array_values((array) $values);

if (true === $replace || !isset($this->headers[$key])) {
            $this->headers[$key] = $values;
        } else {
            $this->headers[$key] = array_merge($this->headers[$key], $values);
        }

if ('cache-control' === $key) {
            $this->cacheControl = $this->parseCacheControl($values[0]);
        }
    }

/**
     * Returns true if the HTTP header is defined.
     *
     * @param string $key The HTTP header
     *
     * @return Boolean true if the parameter exists, false otherwise
     *
     * @api
     */
    public function has($key)
    {
        return array_key_exists(strtr(strtolower($key), '_', '-'), $this->headers);
    }

/**
     * Returns true if the given HTTP header contains the given value.
     *
     * @param string $key   The HTTP header name
     * @param string $value The HTTP value
     *
     * @return Boolean true if the value is contained in the header, false otherwise
     *
     * @api
     */
    public function contains($key, $value)
    {
        return in_array($value, $this->get($key, null, false));
    }

/**
     * Removes a header.
     *
     * @param string $key The HTTP header name
     *
     * @api
     */
    public function remove($key)
    {
        $key = strtr(strtolower($key), '_', '-');

unset($this->headers[$key]);

if ('cache-control' === $key) {
            $this->cacheControl = array();
        }
    }

/**
     * Returns the HTTP header value converted to a date.
     *
     * @param string    $key     The parameter key
     * @param \DateTime $default The default value
     *
     * @return null|\DateTime The parsed DateTime or the default value if the header does not exist
     *
     * @throws \RuntimeException When the HTTP header is not parseable
     *
     * @api
     */
    public function getDate($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;
    }

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());
    }

/**
     * Returns an iterator for headers.
     *
     * @return \ArrayIterator An \ArrayIterator instance
     */
    public function getIterator()
    {
        return new \ArrayIterator($this->headers);
    }

/**
     * Returns the number of headers.
     *
     * @return int The number of headers
     */
    public function count()
    {
        return count($this->headers);
    }

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);
    }

/**
     * Parses a Cache-Control HTTP header.
     *
     * @param string $header The value of the Cache-Control HTTP header
     *
     * @return array An array representing the attribute values
     */
    protected function parseCacheControl($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[3]) ? $match[3] : (isset($match[2]) ? $match[2] : true);
        }

return $cacheControl;
    }
}

${this.title}

Code Editor : HeaderBag.php