original_string: public function set($key, $value)
      {
          $config = &$this->config;
  
          foreach (explode('.', $key) as $k) {
              $config = &$config[$k];
          }
  
          $config = $value;
  
          return true;
      }
code: public function set($key, $value)
      {
          $config = &$this->config;
  
          foreach (explode('.', $key) as $k) {
              $config = &$config[$k];
          }
  
          $config = $value;
  
          return true;
      }
code_tokens: public function set ( $ key , $ value ) { $ config = & $ this -> config ; foreach ( explode ( '.' , $ key ) as $ k ) { $ config = & $ config [ $ k ] ; } $ config = $ value ; return true ; }
docstring: Store a config value with a specified key.
  
  @param string $key   Unique configuration option key
  @param mixed  $value Config item value
  
  @return bool True on success, otherwise false
docstring_tokens: Store a config value with a specified key .