diff options
Diffstat (limited to 'user_guide_src/source/libraries/loader.rst')
| -rw-r--r-- | user_guide_src/source/libraries/loader.rst | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/user_guide_src/source/libraries/loader.rst b/user_guide_src/source/libraries/loader.rst index b048f4881..91db5afbd 100644 --- a/user_guide_src/source/libraries/loader.rst +++ b/user_guide_src/source/libraries/loader.rst @@ -192,7 +192,7 @@ $this->load->model('model_name'); If your model is located in a subdirectory, include the relative path from your models directory. For example, if you have a model located at -application/models/blog/queries.php you'll load it using:: +application/models/blog/Queries.php you'll load it using:: $this->load->model('blog/queries'); @@ -234,6 +234,11 @@ $this->load->get_vars() This method retrieves all variables available to your views. +$this->load->clear_vars() +========================= + +Clears cached view variables. + $this->load->helper('file_name') ================================ @@ -261,6 +266,32 @@ $this->load->config('file_name') This method is an alias of the :doc:`config file loading method <config>`: ``$this->config->load()`` +$this->load->is_loaded('library_name') +====================================== + +The ``is_loaded()`` method allows you to check if a class has already +been loaded or not. + +.. note:: The word "class" here refers to libraries and drivers. + +If the requested class has been loaded, the method returns its assigned +name in the CI Super-object and FALSE if it's not:: + + $this->load->library('form_validation'); + $this->load->is_loaded('Form_validation'); // returns 'form_validation' + + $this->load->is_loaded('Nonexistent_library'); // returns FALSE + +.. important:: If you have more than one instance of a class (assigned to + different properties), then the first one will be returned. + +:: + + $this->load->library('form_validation', $config, 'fv'); + $this->load->library('form_validation'); + + $this->load->is_loaded('Form_validation'); // returns 'fv' + Application "Packages" ====================== |