bzr branch
http://gegoxaren.bato24.eu/bzr/lenasys/trunk
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20.1.1
by galaxyAbstractor
* Added an simple admin panel to the codeviewer-cmssy stuff |
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<a href="http://codeigniter.com/">CodeIgniter Home</a> › |
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Running via the CLI |
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<h1>Running via the CLI</h1> |
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<p> |
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As well as calling an applications <a href="./controllers.html">Controllers</a> via the URL in a browser they can also be loaded via the command-line interface (CLI). |
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</p> |
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<ul> |
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<li><a href="#what">What is the CLI?</a></li> |
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<li><a href="#why">Why use this method?</a></li> |
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<li><a href="#how">How does it work?</a></li> |
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</ul> |
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<a name="what"></a> |
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<h2>What is the CLI?</h2> |
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<p><dfn>The command-line interface is a text-based method of interacting with computers.</dfn> For more information, check the <a href="http://en.wikipedia.org/wiki/Command-line_interface">Wikipedia article</a>.</p> |
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<a name="why"></a> |
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<h2>Why run via the command-line?</h2> |
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<p> |
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There are many reasons for running CodeIgniter from the command-line, but they are not always obvious.</p> |
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<ul> |
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<li>Run your cron-jobs without needing to use wget or curl</li> |
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<li>Make your cron-jobs inaccessible from being loaded in the URL by checking for <kbd>$this->input->is_cli_request()</kbd></li> |
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<li>Make interactive "tasks" that can do things like set permissions, prune cache folders, run backups, etc.</li> |
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<li>Integrate with other applications in other languages. For example, a random C++ script could call one command and run code in your models!</li> |
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</ul> |
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<a name="how"></a> |
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<h2>Let's try it: Hello World!</h2> |
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<p>Let's create a simple controller so you can see it in action. Using your text editor, create a file called <dfn>tools.php</dfn>, and put the following code in it:</p> |
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<textarea class="textarea" style="width:100%" cols="50" rows="10"> |
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<?php
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class Tools extends CI_Controller {
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public function message($to = 'World') |
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{
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echo "Hello {$to}!".PHP_EOL;
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} |
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} |
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?>
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</textarea> |
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<p>Then save the file to your <dfn>application/controllers/</dfn> folder.</p> |
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<p>Now normally you would visit the your site using a URL similar to this:</p> |
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<code>example.com/index.php/<var>tools</var>/<var>message</var>/<var>to</var></code> |
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<p>Instead, we are going to open Terminal in Mac/Lunix or go to Run > "cmd" in Windows and navigate to our CodeIgniter project.</p> |
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<blockquote> |
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$ cd /path/to/project;<br/> |
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$ php index.php tools message |
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</blockquote> |
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<p>If you did it right, you should see <samp>Hello World!</samp>.</p> |
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<blockquote> |
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$ php index.php tools message "John Smith" |
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</blockquote> |
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<p>Here we are passing it a argument in the same way that URL parameters work. "John Smith" is passed as a argument and output is: <samp>Hello John Smith!</samp>.</p> |
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<h2>That's it!</h2> |
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<p>That, in a nutshell, is all there is to know about controllers on the command line. Remember that this is just a normal controller, so routing and _remap works fine.</p> |
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