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<?php |
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/** |
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* This file is part of the miBadger package. |
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* |
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* @author Michael Webbers <[email protected]> |
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* @license http://opensource.org/licenses/Apache-2.0 Apache v2 License |
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*/ |
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namespace miBadger\Http; |
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use miBadger\Singleton\SingletonTrait; |
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/** |
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* The session class |
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* |
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* @since 1.0.0 |
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*/ |
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class Session implements \IteratorAggregate |
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{ |
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use SingletonTrait; |
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/** @var array The session. */ |
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private $session; |
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/** |
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* Construct a Session object. |
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* |
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* @global array $_SESSION The session parameters. |
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*/ |
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protected function __construct() |
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{ |
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$this->session = &$_SESSION; |
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} |
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/** |
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* Initialize the session, if none exists. |
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* |
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* @param $name = null |
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* @param $domain bool |
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* @return null |
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* @throws \RuntimeException on failure. |
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*/ |
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public static function start($name = null, $domain = false) |
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{ |
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if (session_status() !== PHP_SESSION_NONE) { |
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throw new \RuntimeException('Can\'t start a new session.'); |
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} |
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if ($name !== null) { |
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session_name($name); |
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} |
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if ($domain){ |
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preg_match("/[^\.\/]+\.[^\.\/]+$/", $_SERVER['HTTP_HOST'], $matches); |
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session_set_cookie_params(0, '/', $matches[0]); |
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} |
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session_start(); |
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} |
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/** |
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* Destroy the session, if one exists. |
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* |
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* @return null |
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* @throws \RuntimeException on failure. |
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*/ |
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public static function destroy() |
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{ |
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if (session_status() !== PHP_SESSION_ACTIVE) { |
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throw new \RuntimeException('Can\'t destroy the session. There is no active session.'); |
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} |
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if (!session_destroy()) { |
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throw new \RuntimeException('Failed to destroy the active session.'); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getIterator() |
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{ |
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return new \ArrayIterator(static::getInstance()->session); |
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} |
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/** |
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* Returns the number of key-value mappings in the session map. |
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* |
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* @return int the number of key-value mappings in the session map. |
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*/ |
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public static function count() |
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{ |
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return count(static::getInstance()->session); |
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} |
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/** |
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* Returns true if the session map contains no key-value mappings. |
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* |
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* @return bool true if the session map contains no key-value mappings. |
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*/ |
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public static function isEmpty() |
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{ |
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return empty(static::getInstance()->session); |
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} |
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/** |
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* Returns true if the session map contains a mapping for the specified key. |
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* |
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* @param string $key |
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* @return bool true if the session map contains a mapping for the specified key. |
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*/ |
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public static function containsKey($key) |
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{ |
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return isset(static::getInstance()->session[$key]); |
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} |
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/** |
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* Returns true if the session map maps one or more keys to the specified value. |
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* |
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* @param string $value |
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* @return bool true if the session map maps one or more keys to the specified value. |
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*/ |
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public static function containsValue($value) |
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{ |
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return in_array($value, static::getInstance()->session); |
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} |
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/** |
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* Returns the value to which the specified key is mapped, or null if the session map contains no mapping for the key. |
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* |
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* @param string $key |
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* @return string|null the value to which the specified key is mapped, or null if the session map contains no mapping for the key. |
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*/ |
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public static function get($key) |
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{ |
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return static::containsKey($key) ? static::getInstance()->session[$key] : null; |
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} |
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/** |
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* Associates the specified value with the specified key in the session map. |
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* |
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* @param string $key |
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* @param string $value |
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* @return null |
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*/ |
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public static function set($key, $value) |
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{ |
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static::getInstance()->session[$key] = $value; |
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} |
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/** |
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* Removes the mapping for the specified key from the session map if present. |
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* |
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* @param string $key |
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* @return null |
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*/ |
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public static function remove($key) |
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{ |
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if (static::containsKey($key)) { |
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unset(static::getInstance()->session[$key]); |
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} |
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} |
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/** |
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* Removes all of the mappings from the session map. |
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* |
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* @return null |
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*/ |
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public static function clear() |
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{ |
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static::getInstance()->session = []; |
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} |
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} |
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