Initial Import
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+<td><h1>Code Igniter User Guide Version 1.4.0</h1></td>

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+<a href="http://www.codeigniter.com/">Code Igniter Home</a> &nbsp;&#8250;&nbsp;

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+Loader Class

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+

+<h1>Loader Class</h1>

+

+<p>Loader, as the name suggests, is used to load elements.  These elements can be libraries (classes) <a href="../general/views.html">View files</a>, 

+<a href="../general/helpers.html">Helpers</a>, <a href="../general/plugins.html">Plugins</a>, or your own files.</p>

+

+<p class="important"><strong>Note:</strong> This class is initialized automatically by the system so there is no need to do it manually.</p>

+

+<p>The following functions are available in this class:</p>

+

+

+

+<h2>$this->load->view('<var>file_name</var>', <samp>$data</samp>, <kbd>true/false</kbd>)</h2>

+

+<p>This function is used to load your View files.  If you haven't read the <a href="../general/views.html">Views</a> section of the

+user guide it is recommended that you do since it shows you how this function is typically used.</p>

+

+<p>The first parameter is required.  It is the name of the view file you would like to load.</p>

+

+<p>The second <strong>optional</strong> parameter can take

+an associative array or an object as input, which it runs through the PHP <a href="http://www.php.net/extract">extract</a> function to 

+convert to variables that can be used in your view files.  Again, read the <a href="../general/views.html">Views</a> page to learn

+how this might be useful.</p>

+

+<p>The third <strong>optional</strong> parameter lets you change the behavior of the function so that it returns data as a string

+rather than sending it to your browser.  This can be useful if you want to process the data in some way.  If you

+set the parameter to <kbd>true</kbd> (boolean) it will return data.  The default behavior is <kbd>false</kbd>, which sends it

+to your browser.  Remember to assign it to a variable if you wan the data returned:</p>

+

+<code>$string = $this->load->view('<var>myfile</var>', '', <kbd>true</kbd>);</code>

+

+

+

+<h2>$this->load->library('<var>class_name</var>')</h2>

+

+<p>This function is used to load core classes.  Where <var>class_name</var> is the name of the class you want to load. 

+Note: We use the terms "class" and "library" interchangeably.</p>

+

+<p>For example, if you would like to send email with Code Igniter, the first step is to load the email class within your controller:</p>

+

+<code>$this->load->library('email');</code>

+

+<p>Once loaded, the library will be ready for use.  Each library is described in detail in its own page, so please read the

+information regarding each one you would like to use.</p>

+

+

+

+<h2>$this->load->database('<var>options</var>', <kbd>true/false</kbd>)</h2>

+

+<p>This function lets you load the database class.  The two parameters are <strong>optional</strong>.  Please see the 

+<a href="./database/index.html">database</a> section for more info.</p>

+

+

+<h2>$this->load->scaffolding('<var>table_name</var>')</h2>

+

+<p>This function lets you enable scaffolding.  Please see the 

+<a href="../general/scaffolding.html">scaffolding</a> section for more info.</p>

+

+

+

+<h2>$this->load->vars(<samp>$array</samp>)</h2>

+

+<p>This function takes an associative array as input and generates variables using the PHP <a href="http://www.php.net/extract">extract</a> function.

+This function produces the same result as using the second parameter of the <dfn>$this->load->view()</dfn> function above.  The reason you might 

+want to use this function independently is if you would like to set some global variables in the constructor of your controller 

+and have them become available in any view file loaded from any function.  You can have multiple calls to this function.  The data get cached 

+and merged into one array for conversion to variables.

+</p>

+

+

+<h2>$this->load->helper('<var>file_name</var>')</h2>

+<p>This function loads helper files, where <var>file_name</var> is the name of the file, without the <kbd>_helper.php</kbd> extension.</p>

+

+

+<h2>$this->load->plugin('<var>file_name</var>')</h2>

+<p>This function loads plugins files, where <var>file_name</var> is the name of the file, without the <kbd>_plugin.php</kbd> extension.</p>

+

+<h2>$this->load->file('<var>filepath/filename</var>', <kbd>true/false</kbd>)</h2>

+<p>This is a generic file loading function.  Supply the filepath and name in the first parameter and it will open and read the file. 

+By default the data is sent to your browser, just like a View file, but if you set the second parameter to <kbd>true</kbd> (boolean)

+it will instead return the data as a string.</p>

+

+

+<h2>$this->load->lang('<var>file_name</var>')</h2>

+<p>This function is an alias of the <a href="language.html">language loading function</a>: $this->lang->load()</p>

+

+<h2>$this->load->config('<var>file_name</var>')</h2>

+<p>This function is an alias of the <a href="config.html">config file loading function</a>: $this->config->load()</p>

+

+

+

+

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