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   1  <?php
   2  /**
   3   *
   4   * This file is part of the phpBB Forum Software package.
   5   *
   6   * @copyright (c) phpBB Limited <https://www.phpbb.com>
   7   * @license GNU General Public License, version 2 (GPL-2.0)
   8   *
   9   * For full copyright and license information, please see
  10   * the docs/CREDITS.txt file.
  11   *
  12   */
  13  
  14  namespace phpbb\install;
  15  
  16  /**
  17   * Base class for installer task
  18   */
  19  abstract class task_base implements task_interface
  20  {
  21      /**
  22       * @var bool
  23       */
  24      protected $is_essential;
  25  
  26      /**
  27       * Constructor
  28       *
  29       * @param bool $essential
  30       */
  31  	public function __construct($essential = true)
  32      {
  33          $this->is_essential = $essential;
  34      }
  35  
  36      /**
  37       * {@inheritdoc}
  38       */
  39  	public function is_essential()
  40      {
  41          return $this->is_essential;
  42      }
  43  
  44      /**
  45       * {@inheritdoc}
  46       *
  47       * Note: Overwrite this method if your task is non-essential!
  48       */
  49  	public function check_requirements()
  50      {
  51          return true;
  52      }
  53  }