original_string: public function init(array $config = [])
      {
          parent::init($config);
  
          if ($this->_config['path'] === null) {
              $this->_config['path'] = sys_get_temp_dir() . DIRECTORY_SEPARATOR . 'cake_cache' . DIRECTORY_SEPARATOR;
          }
          if (DIRECTORY_SEPARATOR === '\\') {
              $this->_config['isWindows'] = true;
          }
          if (substr($this->_config['path'], -1) !== DIRECTORY_SEPARATOR) {
              $this->_config['path'] .= DIRECTORY_SEPARATOR;
          }
          if ($this->_groupPrefix) {
              $this->_groupPrefix = str_replace('_', DIRECTORY_SEPARATOR, $this->_groupPrefix);
          }
  
          return $this->_active();
      }
code: public function init(array $config = [])
      {
          parent::init($config);
  
          if ($this->_config['path'] === null) {
              $this->_config['path'] = sys_get_temp_dir() . DIRECTORY_SEPARATOR . 'cake_cache' . DIRECTORY_SEPARATOR;
          }
          if (DIRECTORY_SEPARATOR === '\\') {
              $this->_config['isWindows'] = true;
          }
          if (substr($this->_config['path'], -1) !== DIRECTORY_SEPARATOR) {
              $this->_config['path'] .= DIRECTORY_SEPARATOR;
          }
          if ($this->_groupPrefix) {
              $this->_groupPrefix = str_replace('_', DIRECTORY_SEPARATOR, $this->_groupPrefix);
          }
  
          return $this->_active();
      }
code_tokens: public function init ( array $ config = [ ] ) { parent :: init ( $ config ) ; if ( $ this -> _config [ 'path' ] === null ) { $ this -> _config [ 'path' ] = sys_get_temp_dir ( ) . DIRECTORY_SEPARATOR . 'cake_cache' . DIRECTORY_SEPARATOR ; } if ( DIRECTORY_SEPARATOR === '\\' ) { $ this -> _config [ 'isWindows' ] = true ; } if ( substr ( $ this -> _config [ 'path' ] , - 1 ) !== DIRECTORY_SEPARATOR ) { $ this -> _config [ 'path' ] .= DIRECTORY_SEPARATOR ; } if ( $ this -> _groupPrefix ) { $ this -> _groupPrefix = str_replace ( '_' , DIRECTORY_SEPARATOR , $ this -> _groupPrefix ) ; } return $ this -> _active ( ) ; }
docstring: Initialize File Cache Engine
  
  Called automatically by the cache frontend.
  
  @param array $config array of setting for the engine
  @return bool True if the engine has been successfully initialized, false if not
docstring_tokens: Initialize File Cache Engine