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/vendor/symfony/http-foundation/Session/ -> SessionInterface.php (source)

   1  <?php
   2  
   3  /*
   4   * This file is part of the Symfony package.
   5   *
   6   * (c) Fabien Potencier <fabien@symfony.com>
   7   *
   8   * For the full copyright and license information, please view the LICENSE
   9   * file that was distributed with this source code.
  10   */
  11  
  12  namespace Symfony\Component\HttpFoundation\Session;
  13  
  14  use Symfony\Component\HttpFoundation\Session\Storage\MetadataBag;
  15  
  16  /**
  17   * Interface for the session.
  18   *
  19   * @author Drak <drak@zikula.org>
  20   */
  21  interface SessionInterface
  22  {
  23      /**
  24       * Starts the session storage.
  25       *
  26       * @return bool True if session started
  27       *
  28       * @throws \RuntimeException if session fails to start
  29       */
  30      public function start();
  31  
  32      /**
  33       * Returns the session ID.
  34       *
  35       * @return string The session ID
  36       */
  37      public function getId();
  38  
  39      /**
  40       * Sets the session ID.
  41       *
  42       * @param string $id
  43       */
  44      public function setId($id);
  45  
  46      /**
  47       * Returns the session name.
  48       *
  49       * @return mixed The session name
  50       */
  51      public function getName();
  52  
  53      /**
  54       * Sets the session name.
  55       *
  56       * @param string $name
  57       */
  58      public function setName($name);
  59  
  60      /**
  61       * Invalidates the current session.
  62       *
  63       * Clears all session attributes and flashes and regenerates the
  64       * session and deletes the old session from persistence.
  65       *
  66       * @param int $lifetime Sets the cookie lifetime for the session cookie. A null value
  67       *                      will leave the system settings unchanged, 0 sets the cookie
  68       *                      to expire with browser session. Time is in seconds, and is
  69       *                      not a Unix timestamp.
  70       *
  71       * @return bool True if session invalidated, false if error
  72       */
  73      public function invalidate($lifetime = null);
  74  
  75      /**
  76       * Migrates the current session to a new session id while maintaining all
  77       * session attributes.
  78       *
  79       * @param bool $destroy  Whether to delete the old session or leave it to garbage collection
  80       * @param int  $lifetime Sets the cookie lifetime for the session cookie. A null value
  81       *                       will leave the system settings unchanged, 0 sets the cookie
  82       *                       to expire with browser session. Time is in seconds, and is
  83       *                       not a Unix timestamp.
  84       *
  85       * @return bool True if session migrated, false if error
  86       */
  87      public function migrate($destroy = false, $lifetime = null);
  88  
  89      /**
  90       * Force the session to be saved and closed.
  91       *
  92       * This method is generally not required for real sessions as
  93       * the session will be automatically saved at the end of
  94       * code execution.
  95       */
  96      public function save();
  97  
  98      /**
  99       * Checks if an attribute is defined.
 100       *
 101       * @param string $name The attribute name
 102       *
 103       * @return bool true if the attribute is defined, false otherwise
 104       */
 105      public function has($name);
 106  
 107      /**
 108       * Returns an attribute.
 109       *
 110       * @param string $name    The attribute name
 111       * @param mixed  $default The default value if not found
 112       *
 113       * @return mixed
 114       */
 115      public function get($name, $default = null);
 116  
 117      /**
 118       * Sets an attribute.
 119       *
 120       * @param string $name
 121       * @param mixed  $value
 122       */
 123      public function set($name, $value);
 124  
 125      /**
 126       * Returns attributes.
 127       *
 128       * @return array Attributes
 129       */
 130      public function all();
 131  
 132      /**
 133       * Sets attributes.
 134       *
 135       * @param array $attributes Attributes
 136       */
 137      public function replace(array $attributes);
 138  
 139      /**
 140       * Removes an attribute.
 141       *
 142       * @param string $name
 143       *
 144       * @return mixed The removed value or null when it does not exist
 145       */
 146      public function remove($name);
 147  
 148      /**
 149       * Clears all attributes.
 150       */
 151      public function clear();
 152  
 153      /**
 154       * Checks if the session was started.
 155       *
 156       * @return bool
 157       */
 158      public function isStarted();
 159  
 160      /**
 161       * Registers a SessionBagInterface with the session.
 162       */
 163      public function registerBag(SessionBagInterface $bag);
 164  
 165      /**
 166       * Gets a bag instance by name.
 167       *
 168       * @param string $name
 169       *
 170       * @return SessionBagInterface
 171       */
 172      public function getBag($name);
 173  
 174      /**
 175       * Gets session meta.
 176       *
 177       * @return MetadataBag
 178       */
 179      public function getMetadataBag();
 180  }


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