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Diffstat (limited to 'system/core/Model.php')
-rw-r--r-- | system/core/Model.php | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/system/core/Model.php b/system/core/Model.php new file mode 100644 index 000000000..e9c2d24d1 --- /dev/null +++ b/system/core/Model.php @@ -0,0 +1,83 @@ +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +/** + * CodeIgniter + * + * An open source application development framework for PHP 4.3.2 or newer + * + * @package CodeIgniter + * @author ExpressionEngine Dev Team + * @copyright Copyright (c) 2008 - 2010, EllisLab, Inc. + * @license http://codeigniter.com/user_guide/license.html + * @link http://codeigniter.com + * @since Version 1.0 + * @filesource + */ + +// ------------------------------------------------------------------------ + +/** + * CodeIgniter Model Class + * + * @package CodeIgniter + * @subpackage Libraries + * @category Libraries + * @author ExpressionEngine Dev Team + * @link http://codeigniter.com/user_guide/libraries/config.html + */ +class Model { + + var $_parent_name = ''; + + /** + * Constructor + * + * @access public + */ + function Model() + { + // If the magic __get() or __set() methods are used in a Model references can't be used. + $this->_assign_libraries( (method_exists($this, '__get') OR method_exists($this, '__set')) ? FALSE : TRUE ); + + // We don't want to assign the model object to itself when using the + // assign_libraries function below so we'll grab the name of the model parent + $this->_parent_name = ucfirst(get_class($this)); + + log_message('debug', "Model Class Initialized"); + } + + /** + * Assign Libraries + * + * Creates local references to all currently instantiated objects + * so that any syntax that can be legally used in a controller + * can be used within models. + * + * @access private + */ + function _assign_libraries($use_reference = TRUE) + { + $CI =& get_instance(); + foreach (array_keys(get_object_vars($CI)) as $key) + { + if ( ! isset($this->$key) AND $key != $this->_parent_name) + { + // In some cases using references can cause + // problems so we'll conditionally use them + if ($use_reference == TRUE) + { + $this->$key = NULL; // Needed to prevent reference errors with some configurations + $this->$key =& $CI->$key; + } + else + { + $this->$key = $CI->$key; + } + } + } + } + +} +// END Model Class + +/* End of file Model.php */ +/* Location: ./system/libraries/Model.php */
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