vendor/zendframework/zend-memory/src/Container/ContainerInterface.php

   1 <?php
   2 /**
   3  * @see       https://github.com/zendframework/zend-memory for the canonical source repository
   4  * @copyright Copyright (c) 2005-2018 Zend Technologies USA Inc. (https://www.zend.com)
   5  * @license   https://github.com/zendframework/zend-memory/blob/master/LICENSE.md New BSD License
   6  */
   7
   8 namespace Zend\Memory\Container;
   9
  10 /**
  11  * Memory value container interface
  12  */
  13 interface ContainerInterface
  14 {
  15     /**
  16      * Get string value reference
  17      *
  18      * _Must_ be used for value access before PHP v 5.2
  19      * or _may_ be used for performance considerations
  20      *
  21      * @return &string
  22      */
  23     public function &getRef();
  24
  25     /**
  26      * Signal, that value is updated by external code.
  27      *
  28      * Should be used together with getRef()
  29      */
  30     public function touch();
  31
  32     /**
  33      * Lock object in memory.
  34      */
  35     public function lock();
  36
  37     /**
  38      * Unlock object
  39      */
  40     public function unlock();
  41
  42     /**
  43      * Return true if object is locked
  44      *
  45      * @return bool
  46      */
  47     public function isLocked();
  48 }