diff options
| -rw-r--r-- | system/core/Loader.php | 38 | ||||
| -rw-r--r-- | user_guide_src/source/changelog.rst | 1 |
2 files changed, 27 insertions, 12 deletions
diff --git a/system/core/Loader.php b/system/core/Loader.php index ea470dbad..1f48c0782 100644 --- a/system/core/Loader.php +++ b/system/core/Loader.php @@ -272,7 +272,7 @@ class CI_Loader { $CI =& get_instance(); if (isset($CI->$name)) { - show_error('The model name you are loading is the name of a resource that is already being used: '.$name); + throw new RuntimeException('The model name you are loading is the name of a resource that is already being used: '.$name); } if ($db_conn !== FALSE && ! class_exists('CI_DB', FALSE)) @@ -291,23 +291,37 @@ class CI_Loader { } $model = ucfirst(strtolower($model)); - - foreach ($this->_ci_model_paths as $mod_path) + if ( ! class_exists($model)) { - if ( ! file_exists($mod_path.'models/'.$path.$model.'.php')) + foreach ($this->_ci_model_paths as $mod_path) { - continue; - } + if ( ! file_exists($mod_path.'models/'.$path.$model.'.php')) + { + continue; + } - require_once($mod_path.'models/'.$path.$model.'.php'); + require_once($mod_path.'models/'.$path.$model.'.php'); + if ( ! class_exists($model, FALSE)) + { + throw new RuntimeException($mod_path."models/".$path.$model.".php exists, but doesn't declare class ".$model); + } - $this->_ci_models[] = $name; - $CI->$name = new $model(); - return $this; + break; + } + + if ( ! class_exists($model, FALSE)) + { + throw new RuntimeException('Unable to locate the model you have specified: '.$model); + } + } + elseif ( ! is_subclass_of($model, 'CI_Model')) + { + throw new RuntimeException("Class ".$model." already exists and doesn't extend CI_Model"); } - // couldn't find the model - show_error('Unable to locate the model you have specified: '.$model); + $this->_ci_models[] = $name; + $CI->$name = new $model(); + return $this; } // -------------------------------------------------------------------- diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst index b6ad14800..dcbe8209d 100644 --- a/user_guide_src/source/changelog.rst +++ b/user_guide_src/source/changelog.rst @@ -34,6 +34,7 @@ Release Date: Not Released - Core - Added support for defining a list of specific query parameters in ``$config['cache_query_string']`` for the :doc:`Output Library <libraries/output>`. + - Added class existence and inheritance checks to ``CI_Loader::model()`` in order to ease debugging in case of name collisions. Bug fixes for 3.0.1 ------------------- |