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574 lines
39 KiB
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<title>Running via the CLI — CodeIgniter 3.1.4 documentation</title>
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<li class="toctree-l2"><a class="reference internal" href="hooks.html">Hooks - Extending the Framework Core</a></li>
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<li class="toctree-l2"><a class="reference internal" href="errors.html">Error Handling</a></li>
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<li class="toctree-l2"><a class="reference internal" href="caching.html">Caching</a></li>
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<li class="toctree-l2"><a class="reference internal" href="profiling.html">Profiling Your Application</a></li>
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<li class="toctree-l2 current"><a class="current reference internal" href="">Running via the CLI</a></li>
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<li class="toctree-l2"><a class="reference internal" href="managing_apps.html">Managing your Applications</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../libraries/benchmark.html">Benchmarking Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../libraries/caching.html">Caching Driver</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../libraries/calendar.html">Calendaring Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../libraries/cart.html">Shopping Cart Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../libraries/config.html">Config Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../libraries/email.html">Email Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../libraries/encrypt.html">Encrypt Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../libraries/encryption.html">Encryption Library</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../libraries/file_uploading.html">File Uploading Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../libraries/form_validation.html">Form Validation</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../libraries/ftp.html">FTP Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../libraries/image_lib.html">Image Manipulation Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../libraries/input.html">Input Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../libraries/javascript.html">Javascript Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../libraries/language.html">Language Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../libraries/loader.html">Loader Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../libraries/migration.html">Migrations Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../libraries/output.html">Output Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../libraries/pagination.html">Pagination Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../libraries/parser.html">Template Parser Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../libraries/security.html">Security Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../libraries/sessions.html">Session Library</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../libraries/table.html">HTML Table Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../libraries/trackback.html">Trackback Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../libraries/typography.html">Typography Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../libraries/unit_testing.html">Unit Testing Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../libraries/uri.html">URI Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../libraries/user_agent.html">User Agent Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../libraries/xmlrpc.html">XML-RPC and XML-RPC Server Classes</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../libraries/zip.html">Zip Encoding Class</a></li>
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</ul>
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</li>
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</ul>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="../database/index.html">Database Reference</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="../database/examples.html">Quick Start: Usage Examples</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/configuration.html">Database Configuration</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/connecting.html">Connecting to a Database</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/queries.html">Running Queries</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/results.html">Generating Query Results</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/helpers.html">Query Helper Functions</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/query_builder.html">Query Builder Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/transactions.html">Transactions</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/metadata.html">Getting MetaData</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/call_function.html">Custom Function Calls</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/caching.html">Query Caching</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/forge.html">Database Manipulation with Database Forge</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/utilities.html">Database Utilities Class</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../database/db_driver_reference.html">Database Driver Reference</a></li>
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</ul>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="../helpers/index.html">Helpers</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/captcha_helper.html">CAPTCHA Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/cookie_helper.html">Cookie Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/date_helper.html">Date Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/directory_helper.html">Directory Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/download_helper.html">Download Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/email_helper.html">Email Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/file_helper.html">File Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/form_helper.html">Form Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/html_helper.html">HTML Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/inflector_helper.html">Inflector Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/language_helper.html">Language Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/number_helper.html">Number Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/path_helper.html">Path Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/security_helper.html">Security Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/smiley_helper.html">Smiley Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/string_helper.html">String Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/text_helper.html">Text Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/typography_helper.html">Typography Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/url_helper.html">URL Helper</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../helpers/xml_helper.html">XML Helper</a></li>
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</ul>
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</li>
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</ul>
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<div class="section" id="running-via-the-cli">
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<h1><a class="toc-backref" href="#id1">Running via the CLI</a><a class="headerlink" href="#running-via-the-cli" title="Permalink to this headline">¶</a></h1>
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<p>As well as calling an applications <a class="reference internal" href="controllers.html"><em>Controllers</em></a>
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via the URL in a browser they can also be loaded via the command-line
|
|
interface (CLI).</p>
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<div class="contents topic" id="page-contents">
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<p class="topic-title first">Page Contents</p>
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<ul class="simple">
|
|
<li><a class="reference internal" href="#running-via-the-cli" id="id1">Running via the CLI</a><ul>
|
|
<li><a class="reference internal" href="#what-is-the-cli" id="id2">What is the CLI?</a></li>
|
|
<li><a class="reference internal" href="#why-run-via-the-command-line" id="id3">Why run via the command-line?</a></li>
|
|
<li><a class="reference internal" href="#let-s-try-it-hello-world" id="id4">Let’s try it: Hello World!</a></li>
|
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<li><a class="reference internal" href="#that-s-it" id="id5">That’s it!</a></li>
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</ul>
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</li>
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</ul>
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</div>
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<div class="section" id="what-is-the-cli">
|
|
<h2><a class="toc-backref" href="#id2">What is the CLI?</a><a class="headerlink" href="#what-is-the-cli" title="Permalink to this headline">¶</a></h2>
|
|
<p>The command-line interface is a text-based method of interacting with
|
|
computers. For more information, check the <a class="reference external" href="http://en.wikipedia.org/wiki/Command-line_interface">Wikipedia
|
|
article</a>.</p>
|
|
</div>
|
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<div class="section" id="why-run-via-the-command-line">
|
|
<h2><a class="toc-backref" href="#id3">Why run via the command-line?</a><a class="headerlink" href="#why-run-via-the-command-line" title="Permalink to this headline">¶</a></h2>
|
|
<p>There are many reasons for running CodeIgniter from the command-line,
|
|
but they are not always obvious.</p>
|
|
<ul class="simple">
|
|
<li>Run your cron-jobs without needing to use <em>wget</em> or <em>curl</em></li>
|
|
<li>Make your cron-jobs inaccessible from being loaded in the URL by
|
|
checking the return value of <a class="reference internal" href="common_functions.html#is_cli" title="is_cli"><tt class="xref php php-func docutils literal"><span class="pre">is_cli()</span></tt></a>.</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>
|
|
</div>
|
|
<div class="section" id="let-s-try-it-hello-world">
|
|
<h2><a class="toc-backref" href="#id4">Let’s try it: Hello World!</a><a class="headerlink" href="#let-s-try-it-hello-world" title="Permalink to this headline">¶</a></h2>
|
|
<p>Let’s create a simple controller so you can see it in action. Using your
|
|
text editor, create a file called Tools.php, and put the following code
|
|
in it:</p>
|
|
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o"><?</span><span class="nx">php</span>
|
|
<span class="k">class</span> <span class="nc">Tools</span> <span class="k">extends</span> <span class="nx">CI_Controller</span> <span class="p">{</span>
|
|
|
|
<span class="k">public</span> <span class="k">function</span> <span class="nf">message</span><span class="p">(</span><span class="nv">$to</span> <span class="o">=</span> <span class="s1">'World'</span><span class="p">)</span>
|
|
<span class="p">{</span>
|
|
<span class="k">echo</span> <span class="s2">"Hello </span><span class="si">{</span><span class="nv">$to</span><span class="si">}</span><span class="s2">!"</span><span class="o">.</span><span class="nx">PHP_EOL</span><span class="p">;</span>
|
|
<span class="p">}</span>
|
|
<span class="p">}</span>
|
|
</pre></div>
|
|
</div>
|
|
<p>Then save the file to your <em>application/controllers/</em> folder.</p>
|
|
<p>Now normally you would visit the site using a URL similar to this:</p>
|
|
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nx">example</span><span class="o">.</span><span class="nx">com</span><span class="o">/</span><span class="nx">index</span><span class="o">.</span><span class="nx">php</span><span class="o">/</span><span class="nx">tools</span><span class="o">/</span><span class="nx">message</span><span class="o">/</span><span class="nx">to</span>
|
|
</pre></div>
|
|
</div>
|
|
<p>Instead, we are going to open the terminal in Mac/Linux or go to Run > “cmd”
|
|
in Windows and navigate to our CodeIgniter project.</p>
|
|
<div class="highlight-bash"><div class="highlight"><pre><span></span>$ <span class="nb">cd</span> /path/to/project<span class="p">;</span>
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$ php index.php tools message
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</pre></div>
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</div>
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<p>If you did it right, you should see <em>Hello World!</em> printed.</p>
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<div class="highlight-bash"><div class="highlight"><pre><span></span>$ php index.php tools message <span class="s2">"John Smith"</span>
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</pre></div>
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</div>
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<p>Here we are passing it a argument in the same way that URL parameters
|
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work. “John Smith” is passed as a argument and output is:</p>
|
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<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nx">Hello</span> <span class="nx">John</span> <span class="nx">Smith</span><span class="o">!</span>
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</pre></div>
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<div class="section" id="that-s-it">
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<h2><a class="toc-backref" href="#id5">That’s it!</a><a class="headerlink" href="#that-s-it" title="Permalink to this headline">¶</a></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 <tt class="docutils literal"><span class="pre">_remap()</span></tt> works fine.</p>
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