diff options
Diffstat (limited to 'library/vendor/Zend/Session/Abstract.php')
| -rw-r--r-- | library/vendor/Zend/Session/Abstract.php | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/library/vendor/Zend/Session/Abstract.php b/library/vendor/Zend/Session/Abstract.php new file mode 100644 index 0000000..15ffde0 --- /dev/null +++ b/library/vendor/Zend/Session/Abstract.php @@ -0,0 +1,182 @@ +<?php + +/** + * Zend Framework + * + * LICENSE + * + * This source file is subject to the new BSD license that is bundled + * with this package in the file LICENSE.txt. + * It is also available through the world-wide-web at this URL: + * http://framework.zend.com/license/new-bsd + * If you did not receive a copy of the license and are unable to + * obtain it through the world-wide-web, please send an email + * to license@zend.com so we can send you a copy immediately. + * + * @category Zend + * @package Zend_Session + * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) + * @license http://framework.zend.com/license/new-bsd New BSD License + * @version $Id$ + * @since Preview Release 0.2 + */ + + +/** + * Zend_Session_Abstract + * + * @category Zend + * @package Zend_Session + * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) + * @license http://framework.zend.com/license/new-bsd New BSD License + */ +abstract class Zend_Session_Abstract +{ + /** + * Whether or not session permits writing (modification of $_SESSION[]) + * + * @var bool + */ + protected static $_writable = false; + + /** + * Whether or not session permits reading (reading data in $_SESSION[]) + * + * @var bool + */ + protected static $_readable = false; + + /** + * Since expiring data is handled at startup to avoid __destruct difficulties, + * the data that will be expiring at end of this request is held here + * + * @var array + */ + protected static $_expiringData = array(); + + + /** + * Error message thrown when an action requires modification, + * but current Zend_Session has been marked as read-only. + */ + const _THROW_NOT_WRITABLE_MSG = 'Zend_Session is currently marked as read-only.'; + + + /** + * Error message thrown when an action requires reading session data, + * but current Zend_Session is not marked as readable. + */ + const _THROW_NOT_READABLE_MSG = 'Zend_Session is not marked as readable.'; + + + /** + * namespaceIsset() - check to see if a namespace or a variable within a namespace is set + * + * @param string $namespace + * @param string $name + * @return bool + */ + protected static function _namespaceIsset($namespace, $name = null) + { + if (self::$_readable === false) { + /** + * @see Zend_Session_Exception + */ + throw new Zend_Session_Exception(self::_THROW_NOT_READABLE_MSG); + } + + if ($name === null) { + return ( isset($_SESSION[$namespace]) || isset(self::$_expiringData[$namespace]) ); + } else { + return ( isset($_SESSION[$namespace][$name]) || isset(self::$_expiringData[$namespace][$name]) ); + } + } + + + /** + * namespaceUnset() - unset a namespace or a variable within a namespace + * + * @param string $namespace + * @param string $name + * @throws Zend_Session_Exception + * @return void + */ + protected static function _namespaceUnset($namespace, $name = null) + { + if (self::$_writable === false) { + /** + * @see Zend_Session_Exception + */ + throw new Zend_Session_Exception(self::_THROW_NOT_WRITABLE_MSG); + } + + $name = (string) $name; + + // check to see if the api wanted to remove a var from a namespace or a namespace + if ($name === '') { + unset($_SESSION[$namespace]); + unset(self::$_expiringData[$namespace]); + } else { + unset($_SESSION[$namespace][$name]); + unset(self::$_expiringData[$namespace][$name]); + } + + // if we remove the last value, remove namespace. + if (empty($_SESSION[$namespace])) { + unset($_SESSION[$namespace]); + } + } + + + /** + * namespaceGet() - Get $name variable from $namespace, returning by reference. + * + * @param string $namespace + * @param string $name + * @return mixed + */ + protected static function & _namespaceGet($namespace, $name = null) + { + if (self::$_readable === false) { + /** + * @see Zend_Session_Exception + */ + throw new Zend_Session_Exception(self::_THROW_NOT_READABLE_MSG); + } + + if ($name === null) { + if (isset($_SESSION[$namespace])) { // check session first for data requested + return $_SESSION[$namespace]; + } elseif (isset(self::$_expiringData[$namespace])) { // check expiring data for data reqeusted + return self::$_expiringData[$namespace]; + } else { + return $_SESSION[$namespace]; // satisfy return by reference + } + } else { + if (isset($_SESSION[$namespace][$name])) { // check session first + return $_SESSION[$namespace][$name]; + } elseif (isset(self::$_expiringData[$namespace][$name])) { // check expiring data + return self::$_expiringData[$namespace][$name]; + } else { + return $_SESSION[$namespace][$name]; // satisfy return by reference + } + } + } + + + /** + * namespaceGetAll() - Get an array containing $namespace, including expiring data. + * + * @param string $namespace + * @param string $name + * @return mixed + */ + protected static function _namespaceGetAll($namespace) + { + $currentData = (isset($_SESSION[$namespace]) && is_array($_SESSION[$namespace])) ? + $_SESSION[$namespace] : array(); + $expiringData = (isset(self::$_expiringData[$namespace]) && is_array(self::$_expiringData[$namespace])) ? + self::$_expiringData[$namespace] : array(); + return array_merge($currentData, $expiringData); + } +} |