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<?php |
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/** |
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* Vperyod Simple Lock |
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* |
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* PHP version 5 |
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* |
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* Copyright (C) 2016 Jake Johns |
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* |
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* This software may be modified and distributed under the terms |
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* of the MIT license. See the LICENSE file for details. |
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* |
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* @category Session |
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* @package Vperyod\SimpleLock |
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* @author Jake Johns <[email protected]> |
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* @copyright 2016 Jake Johns |
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* @license http://jnj.mit-license.org/2016 MIT License |
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* @link http://jakejohns.net |
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*/ |
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namespace Vperyod\SimpleLock; |
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use Psr\Http\Message\ServerRequestInterface as Request; |
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/** |
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* Lock |
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* |
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* @category Session |
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* @package Vperyod\SimpleLock |
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* @author Jake Johns <[email protected]> |
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* @license http://jnj.mit-license.org/ MIT License |
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* @link https://github.com/vperyod/vperyod.simple-lock |
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*/ |
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class Lock |
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{ |
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/** |
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* Cookie |
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* |
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* @var array |
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* |
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* @access protected |
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*/ |
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protected $cookie; |
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/** |
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* Session key for lock status |
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* |
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* @var string |
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* |
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* @access protected |
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*/ |
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protected $key = 'vperyod/simplelock:unlocked'; |
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/** |
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* Session key for intent |
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* |
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* @var string |
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* |
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* @access protected |
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*/ |
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protected $intent = 'vperyod/simplelock:intent'; |
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/** |
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* Create a session lock |
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* |
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* @access public |
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*/ |
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public function __construct() |
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{ |
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$this->session(); |
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} |
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/** |
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* Unlock a session |
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* |
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* @return void |
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* |
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* @access public |
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*/ |
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public function unlock() |
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{ |
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$_SESSION[$this->key] = true; |
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1 |
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} |
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/** |
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* Lock a session |
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* |
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* @return void |
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* |
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* @access public |
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*/ |
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public function lock() |
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{ |
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$_SESSION[$this->key] = false; |
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} |
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/** |
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* Set intent |
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* |
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* @param Request $request intended request |
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* |
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* @return void |
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* |
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* @access public |
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*/ |
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public function setIntent(Request $request) |
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{ |
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$_SESSION[$this->intent] = $request; |
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} |
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/** |
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* Get and clear intent |
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* |
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* @return null | Request |
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* |
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* @access public |
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*/ |
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public function getIntent() |
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{ |
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if (isset($_SESSION[$this->intent])) { |
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$intent = $_SESSION[$this->intent]; |
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unset($_SESSION[$this->intent]); |
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return $intent; |
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} |
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return null; |
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} |
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/** |
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* Is session unlocked? |
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* |
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* @return bool |
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* |
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* @access public |
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*/ |
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1 |
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public function isUnlocked() |
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{ |
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return isset($_SESSION[$this->key]) |
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&& true === $_SESSION[$this->key]; |
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} |
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/** |
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* Resume session |
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* |
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* @return bool |
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* |
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145
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* @access protected |
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*/ |
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147
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2 |
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protected function session() |
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{ |
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2 |
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return (session_id() !== '') ?: session_start(); |
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} |
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} |
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Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: