diff options
| author | Phil Sturgeon <email@philsturgeon.co.uk> | 2011-05-08 17:23:36 +0200 |
|---|---|---|
| committer | Phil Sturgeon <email@philsturgeon.co.uk> | 2011-05-08 17:23:36 +0200 |
| commit | 0854d91fd2848266ec37a37c8a1ccfd13a8a4eda (patch) | |
| tree | 1433f1db86920fae6e6286c6cc517ba64cda2aba /user_guide/general/cli.html | |
| parent | 0cb8c59f91567af9aa6530f8764abafe1ae935c0 (diff) | |
| parent | 3ef65bd7491f847fecdab1acc9687f0e90eee09b (diff) | |
Merged tip.
Diffstat (limited to 'user_guide/general/cli.html')
| -rw-r--r-- | user_guide/general/cli.html | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/user_guide/general/cli.html b/user_guide/general/cli.html new file mode 100644 index 000000000..962954b15 --- /dev/null +++ b/user_guide/general/cli.html @@ -0,0 +1,150 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> +<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> +<head> + +<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> +<title>Running via the CLI : CodeIgniter User Guide</title> + +<style type='text/css' media='all'>@import url('../userguide.css');</style> +<link rel='stylesheet' type='text/css' media='all' href='../userguide.css' /> + +<script type="text/javascript" src="../nav/nav.js"></script> +<script type="text/javascript" src="../nav/prototype.lite.js"></script> +<script type="text/javascript" src="../nav/moo.fx.js"></script> +<script type="text/javascript" src="../nav/user_guide_menu.js"></script> + +<meta http-equiv='expires' content='-1' /> +<meta http-equiv= 'pragma' content='no-cache' /> +<meta name='robots' content='all' /> +<meta name='author' content='ExpressionEngine Dev Team' /> +<meta name='description' content='CodeIgniter User Guide' /> + +</head> +<body> + +<!-- START NAVIGATION --> +<div id="nav"><div id="nav_inner"><script type="text/javascript">create_menu('../');</script></div></div> +<div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle_darker.jpg" width="154" height="43" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div> +<div id="masthead"> +<table cellpadding="0" cellspacing="0" border="0" style="width:100%"> +<tr> +<td><h1>CodeIgniter User Guide Version 2.0.2</h1></td> +<td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td> +</tr> +</table> +</div> +<!-- END NAVIGATION --> + + +<!-- START BREADCRUMB --> +<table cellpadding="0" cellspacing="0" border="0" style="width:100%"> +<tr> +<td id="breadcrumb"> +<a href="http://codeigniter.com/">CodeIgniter Home</a> › +<a href="../index.html">User Guide Home</a> › +Running via the CLI +</td> +<td id="searchbox"><form method="get" action="http://www.google.com/search"><input type="hidden" name="as_sitesearch" id="as_sitesearch" value="codeigniter.com/user_guide/" />Search User Guide <input type="text" class="input" style="width:200px;" name="q" id="q" size="31" maxlength="255" value="" /> <input type="submit" class="submit" name="sa" value="Go" /></form></td> +</tr> +</table> +<!-- END BREADCRUMB --> + +<br clear="all" /> + + +<!-- START CONTENT --> +<div id="content"> + +<h1>Running via the CLI</h1> + +<p> + 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). +</p> + + +<ul> +<li><a href="#what">What is the CLI?</a></li> +<li><a href="#why">Why use this method?</a></li> +<li><a href="#how">How does it work?</a></li> +</ul> + + +<a name="what"></a> +<h2>What is the CLI?</h2> + +<p><dfn>The command-line interface is a text-based method of interacting with computers that looks like what most people remember as DOS.</dfn></p> + +<a name="why"></a> + +<h2>Why run via the command-line?</h2> + +<p> + There are many reasons for running CodeIgniter from the command-line, but they are not always obvious.</p> + +<ul> + <li>Run your cron-jobs without needing to use wget or curl</li> + <li>Make your cron-jobs inaccessible from being loaded in the URL by checking for <kbd>IS_CLI</kbd></li> + <li>Make interactive "tasks" that can do things like set permissions, prune cache folders, run backups, etc.</li> + <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> +</ul> + +<a name="how"></a> +<h2>Let's try it: Hello World!</h2> + +<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> + +<textarea class="textarea" style="width:100%" cols="50" rows="10"> +<?php +class Tools extends CI_Controller { + + public function message($to = 'World') + { + echo "Hello {$to}!".PHP_EOL; + } +} +?> +</textarea> + +<p>Then save the file to your <dfn>application/controllers/</dfn> folder.</p> + +<p>Now normally you would visit the your site using a URL similar to this:</p> + +<code>example.com/index.php/<var>tools</var>/<var>message</var>/<var>to</var></code> + +<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> + +<blockquote> + $ cd /path/to/project;<br/> + $ php index.php tools message +</blockquote> + +<p>If you did it right, you should see <samp>Hello World!</samp>.</p> + +<blockquote> + $ php index.php tools message "John Smith" +</blockquote> + +<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> + +<h2>That's it!</h2> + +<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> + + + +</div> +<!-- END CONTENT --> + + +<div id="footer"> +<p> +Previous Topic: <a href="urls.html">CodeIgniter URLs</a> + · +<a href="#top">Top of Page</a> · +<a href="../index.html">User Guide Home</a> · +Next Topic: <a href="reserved_names.html">Reserved Names</a></p> +<p><a href="http://codeigniter.com">CodeIgniter</a> · Copyright © 2006 - 2011 · <a href="http://ellislab.com/">EllisLab, Inc.</a></p> +</div> + +</body> +</html>
\ No newline at end of file |