diff options
Diffstat (limited to 'user_guide/general/models.html')
| -rw-r--r-- | user_guide/general/models.html | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/user_guide/general/models.html b/user_guide/general/models.html index c0e494351..117c810b7 100644 --- a/user_guide/general/models.html +++ b/user_guide/general/models.html @@ -72,8 +72,8 @@ Models <h2><a name="what"></a>What is a Model?</h2> -<p>Models are PHP classes that are designed to work with information in your database. For example, let's say -you use CodeIgniter to manage a blog. You might have a model class that contains functions to insert, update, and +<p>Models are PHP classes that are designed to work with information in your database. For example, let's say +you use CodeIgniter to manage a blog. You might have a model class that contains functions to insert, update, and retrieve your blog data. Here is an example of what such a model class might look like:</p> <code> @@ -116,10 +116,10 @@ class Blogmodel extends CI_Model {<br /> }</code> <p>Note: The functions in the above example use the <a href="../database/active_record.html">Active Record</a> database functions.</p> -<p class="important"><strong>Note:</strong> For the sake of simplicity in this example we're using $_POST directly. This is generally bad practice, and a more common approach would be to use the <a href="../libraries/input.html">Input Class</a> $this->input->post('title')</p> +<p class="important"><strong>Note:</strong> For the sake of simplicity in this example we're using $_POST directly. This is generally bad practice, and a more common approach would be to use the <a href="../libraries/input.html">Input Class</a> $this->input->post('title')</p> <h2><a name="anatomy"></a>Anatomy of a Model</h2> -<p>Model classes are stored in your <dfn>application/models/</dfn> folder. They can be nested within sub-folders if you +<p>Model classes are stored in your <dfn>application/models/</dfn> folder. They can be nested within sub-folders if you want this type of organization.</p> <p>The basic prototype for a model class is this:</p> @@ -134,10 +134,10 @@ class <var>Model_name</var> extends CI_Model {<br /> }<br /> }</code> -<p>Where <var>Model_name</var> is the name of your class. Class names <strong>must</strong> have the first letter capitalized with the rest of the name lowercase. +<p>Where <var>Model_name</var> is the name of your class. Class names <strong>must</strong> have the first letter capitalized with the rest of the name lowercase. Make sure your class extends the base Model class.</p> -<p>The file name will be a lower case version of your class name. For example, if your class is this:</p> +<p>The file name will be a lower case version of your class name. For example, if your class is this:</p> <code> class <var>User_model</var> extends CI_Model {<br /> @@ -161,7 +161,7 @@ To load a model you will use the following function:</p> <code>$this->load->model('<var>Model_name</var>');</code> -<p>If your model is located in a sub-folder, include the relative path from your models folder. For example, if +<p>If your model is located in a sub-folder, include the relative path from your models folder. For example, if you have a model located at <dfn>application/models/blog/queries.php</dfn> you'll load it using:</p> <code>$this->load->model('<var>blog/queries</var>');</code> @@ -200,12 +200,12 @@ class Blog_controller extends CI_Controller {<br /> }</code> <h2><a name="auto_load_model" id="auto_load_model"></a>Auto-loading Models</h2> -<p>If you find that you need a particular model globally throughout your application, you can tell CodeIgniter to auto-load it during system initialization. This is done by opening the application/config/autoload.php file and adding the model to the autoload array.</p> +<p>If you find that you need a particular model globally throughout your application, you can tell CodeIgniter to auto-load it during system initialization. This is done by opening the application/config/autoload.php file and adding the model to the autoload array.</p> <h2><a name="conn"></a>Connecting to your Database</h2> -<p>When a model is loaded it does <strong>NOT</strong> connect automatically to your database. The following options for connecting are available to you:</p> +<p>When a model is loaded it does <strong>NOT</strong> connect automatically to your database. The following options for connecting are available to you:</p> <ul> <li>You can connect using the standard database methods <a href="../database/connecting.html">described here</a>, either from within your Controller class or your Model class.</li> |