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/phpbb/db/migration/tool/ -> config.php (source)

   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\db\migration\tool;
  15  
  16  /**
  17  * Migration config tool
  18  */
  19  class config implements \phpbb\db\migration\tool\tool_interface
  20  {
  21      /** @var \phpbb\config\config */
  22      protected $config;
  23  
  24      /**
  25      * Constructor
  26      *
  27      * @param \phpbb\config\config $config
  28      */
  29  	public function __construct(\phpbb\config\config $config)
  30      {
  31          $this->config = $config;
  32      }
  33  
  34      /**
  35      * {@inheritdoc}
  36      */
  37  	public function get_name()
  38      {
  39          return 'config';
  40      }
  41  
  42      /**
  43      * Add a config setting.
  44      *
  45      * @param string $config_name The name of the config setting
  46      *     you would like to add
  47      * @param mixed $config_value The value of the config setting
  48      * @param bool $is_dynamic True if it is dynamic (changes very often)
  49      *     and should not be stored in the cache, false if not.
  50      * @return null
  51      */
  52  	public function add($config_name, $config_value, $is_dynamic = false)
  53      {
  54          if (isset($this->config[$config_name]))
  55          {
  56              return;
  57          }
  58  
  59          $this->config->set($config_name, $config_value, !$is_dynamic);
  60      }
  61  
  62      /**
  63      * Update an existing config setting.
  64      *
  65      * @param string $config_name The name of the config setting you would
  66      *     like to update
  67      * @param mixed $config_value The value of the config setting
  68      * @return null
  69      * @throws \phpbb\db\migration\exception
  70      */
  71  	public function update($config_name, $config_value)
  72      {
  73          if (!isset($this->config[$config_name]))
  74          {
  75              throw new \phpbb\db\migration\exception('CONFIG_NOT_EXIST', $config_name);
  76          }
  77  
  78          $this->config->set($config_name, $config_value);
  79      }
  80  
  81      /**
  82      * Update a config setting if the first argument equal to the
  83      * current config value
  84      *
  85      * @param string $compare If equal to the current config value, will be
  86      *     updated to the new config value, otherwise not
  87      * @param string $config_name The name of the config setting you would
  88      *     like to update
  89      * @param mixed $config_value The value of the config setting
  90      * @return null
  91      * @throws \phpbb\db\migration\exception
  92      */
  93  	public function update_if_equals($compare, $config_name, $config_value)
  94      {
  95          if (!isset($this->config[$config_name]))
  96          {
  97              throw new \phpbb\db\migration\exception('CONFIG_NOT_EXIST', $config_name);
  98          }
  99  
 100          $this->config->set_atomic($config_name, $compare, $config_value);
 101      }
 102  
 103      /**
 104      * Remove an existing config setting.
 105      *
 106      * @param string $config_name The name of the config setting you would
 107      *     like to remove
 108      * @return null
 109      */
 110  	public function remove($config_name)
 111      {
 112          if (!isset($this->config[$config_name]))
 113          {
 114              return;
 115          }
 116  
 117          $this->config->delete($config_name);
 118      }
 119  
 120      /**
 121      * {@inheritdoc}
 122      */
 123  	public function reverse()
 124      {
 125          $arguments = func_get_args();
 126          $original_call = array_shift($arguments);
 127  
 128          $call = false;
 129          switch ($original_call)
 130          {
 131              case 'add':
 132                  $call = 'remove';
 133              break;
 134  
 135              case 'remove':
 136                  $call = 'add';
 137                  if (count($arguments) == 1)
 138                  {
 139                      $arguments[] = '';
 140                  }
 141              break;
 142  
 143              case 'update_if_equals':
 144                  $call = 'update_if_equals';
 145  
 146                  // Set to the original value if the current value is what we compared to originally
 147                  $arguments = array(
 148                      $arguments[2],
 149                      $arguments[1],
 150                      $arguments[0],
 151                  );
 152              break;
 153  
 154              case 'reverse':
 155                  // Reversing a reverse is just the call itself
 156                  $call = array_shift($arguments);
 157              break;
 158          }
 159  
 160          if ($call)
 161          {
 162              return call_user_func_array(array(&$this, $call), $arguments);
 163          }
 164      }
 165  }


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