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- 27.10.2014
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AbstractProxy.php
001 <?php
002
003 /*
004 * This file is part of the Symfony package.
005 *
006 * (c) Fabien Potencier <fabien@symfony.com>
007 *
008 * For the full copyright and license information, please view the LICENSE
009 * file that was distributed with this source code.
010 */
011
012 namespace Symfony\Component\HttpFoundation\Session\Storage\Proxy;
013
014 /**
015 * AbstractProxy.
016 *
017 * @author Drak <drak@zikula.org>
018 */
019 abstract class AbstractProxy
020 {
021 /**
022 * Flag if handler wraps an internal PHP session handler (using \SessionHandler).
023 *
024 * @var bool
025 */
026 protected $wrapper = false;
027
028 /**
029 * @var bool
030 */
031 protected $active = false;
032
033 /**
034 * @var string
035 */
036 protected $saveHandlerName;
037
038 /**
039 * Gets the session.save_handler name.
040 *
041 * @return string
042 */
043 public function getSaveHandlerName()
044 {
045 return $this->saveHandlerName;
046 }
047
048 /**
049 * Is this proxy handler and instance of \SessionHandlerInterface.
050 *
051 * @return bool
052 */
053 public function isSessionHandlerInterface()
054 {
055 return ($this instanceof \SessionHandlerInterface);
056 }
057
058 /**
059 * Returns true if this handler wraps an internal PHP session save handler using \SessionHandler.
060 *
061 * @return bool
062 */
063 public function isWrapper()
064 {
065 return $this->wrapper;
066 }
067
068 /**
069 * Has a session started?
070 *
071 * @return bool
072 */
073 public function isActive()
074 {
075 if (version_compare(phpversion(), '5.4.0', '>=')) {
076 return $this->active = \PHP_SESSION_ACTIVE === session_status();
077 }
078
079 return $this->active;
080 }
081
082 /**
083 * Sets the active flag.
084 *
085 * Has no effect under PHP 5.4+ as status is detected
086 * automatically in isActive()
087 *
088 * @internal
089 *
090 * @param bool $flag
091 *
092 * @throws \LogicException
093 */
094 public function setActive($flag)
095 {
096 if (version_compare(phpversion(), '5.4.0', '>=')) {
097 throw new \LogicException('This method is disabled in PHP 5.4.0+');
098 }
099
100 $this->active = (bool) $flag;
101 }
102
103 /**
104 * Gets the session ID.
105 *
106 * @return string
107 */
108 public function getId()
109 {
110 return session_id();
111 }
112
113 /**
114 * Sets the session ID.
115 *
116 * @param string $id
117 *
118 * @throws \LogicException
119 */
120 public function setId($id)
121 {
122 if ($this->isActive()) {
123 throw new \LogicException('Cannot change the ID of an active session');
124 }
125
126 session_id($id);
127 }
128
129 /**
130 * Gets the session name.
131 *
132 * @return string
133 */
134 public function getName()
135 {
136 return session_name();
137 }
138
139 /**
140 * Sets the session name.
141 *
142 * @param string $name
143 *
144 * @throws \LogicException
145 */
146 public function setName($name)
147 {
148 if ($this->isActive()) {
149 throw new \LogicException('Cannot change the name of an active session');
150 }
151
152 session_name($name);
153 }
154 }
155