FM / http-foundation

/home/techb158/ileadtechnology.com/SSM/vendor/symfony/http-foundation/

/home/techb158/ileadtechnology.com/SSM/vendor/symfony/http-foundation

Name	Size	Mode	Actions
Exception/	-	0755	rm
File/	-	0755	rm
Session/	-	0755	rm
Test/	-	0755	rm
AcceptHeader.php	3639	0644	edit dl rm
AcceptHeaderItem.php	3441	0644	edit dl rm
BinaryFileResponse.php	12065	0644	edit dl rm
CHANGELOG.md	12948	0644	edit dl rm
composer.json	973	0644	edit dl rm
Cookie.php	8671	0644	edit dl rm
ExpressionRequestMatcher.php	1354	0644	edit dl rm
FileBag.php	3950	0644	edit dl rm
HeaderBag.php	7402	0644	edit dl rm
HeaderUtils.php	7318	0644	edit dl rm
IpUtils.php	5574	0644	edit dl rm
JsonResponse.php	7115	0644	edit dl rm
LICENSE	1065	0644	edit dl rm
ParameterBag.php	4971	0644	edit dl rm
README.md	531	0644	edit dl rm
RedirectResponse.php	2847	0644	edit dl rm
Request.php	65018	0644	edit dl rm
RequestMatcher.php	4588	0644	edit dl rm
RequestMatcherInterface.php	687	0644	edit dl rm
RequestStack.php	2369	0644	edit dl rm
Response.php	35233	0644	edit dl rm
ResponseHeaderBag.php	8119	0644	edit dl rm
ServerBag.php	4046	0644	edit dl rm
StreamedResponse.php	2914	0644	edit dl rm
UrlHelper.php	3106	0644	edit dl rm

Edit: /home/techb158/ileadtechnology.com/SSM/vendor/symfony/http-foundation/HeaderBag.php (7402B)

<?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>
 */
class HeaderBag implements \IteratorAggregate, \Countable
{
    protected const UPPER = '_ABCDEFGHIJKLMNOPQRSTUVWXYZ';
    protected const LOWER = '-abcdefghijklmnopqrstuvwxyz';

protected $headers = [];
    protected $cacheControl = [];

public function __construct(array $headers = [])
    {
        foreach ($headers as $key => $values) {
            $this->set($key, $values);
        }
    }

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

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

return $content;
    }

/**
     * Returns the headers.
     *
     * @param string|null $key The name of the headers to return or null to get them all
     *
     * @return array An array of headers
     */
    public function all(string $key = null)
    {
        if (null !== $key) {
            return $this->headers[strtr($key, self::UPPER, self::LOWER)] ?? [];
        }

return $this->headers;
    }

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

/**
     * Replaces the current HTTP headers by a new set.
     */
    public function replace(array $headers = [])
    {
        $this->headers = [];
        $this->add($headers);
    }

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

/**
     * Returns a header value by name.
     *
     * @return string|null The first header value or default value
     */
    public function get(string $key, string $default = null)
    {
        $headers = $this->all($key);

if (!$headers) {
            return $default;
        }

if (null === $headers[0]) {
            return null;
        }

return (string) $headers[0];
    }

/**
     * Sets a header by name.
     *
     * @param string|string[] $values  The value or an array of values
     * @param bool            $replace Whether to replace the actual value or not (true by default)
     */
    public function set(string $key, $values, bool $replace = true)
    {
        $key = strtr($key, self::UPPER, self::LOWER);

if (\is_array($values)) {
            $values = array_values($values);

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

if ('cache-control' === $key) {
            $this->cacheControl = $this->parseCacheControl(implode(', ', $this->headers[$key]));
        }
    }

/**
     * Returns true if the HTTP header is defined.
     *
     * @return bool true if the parameter exists, false otherwise
     */
    public function has(string $key)
    {
        return \array_key_exists(strtr($key, self::UPPER, self::LOWER), $this->all());
    }

/**
     * Returns true if the given HTTP header contains the given value.
     *
     * @return bool true if the value is contained in the header, false otherwise
     */
    public function contains(string $key, string $value)
    {
        return \in_array($value, $this->all($key));
    }

/**
     * Removes a header.
     */
    public function remove(string $key)
    {
        $key = strtr($key, self::UPPER, self::LOWER);

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

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

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

/**
     * Adds a custom Cache-Control directive.
     *
     * @param mixed $value The Cache-Control directive value
     */
    public function addCacheControlDirective(string $key, $value = true)
    {
        $this->cacheControl[$key] = $value;

$this->set('Cache-Control', $this->getCacheControlHeader());
    }

/**
     * Returns true if the Cache-Control directive is defined.
     *
     * @return bool true if the directive exists, false otherwise
     */
    public function hasCacheControlDirective(string $key)
    {
        return \array_key_exists($key, $this->cacheControl);
    }

/**
     * Returns a Cache-Control directive value by name.
     *
     * @return mixed|null The directive value if defined, null otherwise
     */
    public function getCacheControlDirective(string $key)
    {
        return \array_key_exists($key, $this->cacheControl) ? $this->cacheControl[$key] : null;
    }

/**
     * Removes a Cache-Control directive.
     */
    public function removeCacheControlDirective(string $key)
    {
        unset($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()
    {
        ksort($this->cacheControl);

return HeaderUtils::toString($this->cacheControl, ',');
    }

/**
     * Parses a Cache-Control HTTP header.
     *
     * @return array An array representing the attribute values
     */
    protected function parseCacheControl(string $header)
    {
        $parts = HeaderUtils::split($header, ',=');

return HeaderUtils::combine($parts);
    }
}

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