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POHow to add classes (e.g. lib) to a given Typo3 extension?
 

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  1. POHow to add classes (e.g. lib) to a given Typo3 extension?
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    <p>I got a (imho) minor noob question concerning writing of Typo3 Extensions (ver. 4.5 LTS). What I try is simply make up a little MVC class pattern which contains a small curl statement to retrieve information from a remote location. In principle, the MVC classes are already implemented and I just want to include them into the main procedure of my plugin extension. That was what I guessed to work:</p> <pre><code>class tx_uniklstudgangext2013_pi1 extends tslib_pibase { public $prefixId = 'tx_uniklstudgangext2013_pi1'; // Same as class name public $scriptRelPath = 'pi1/class.tx_uniklstudgangext2013_pi1.php'; // Path to this script relative to the extension dir. public $extKey = 'uniklstudgangext2013'; // The extension key. public $pi_checkCHash = TRUE; /** * The main method of the Plugin. * * @param string $content The Plugin content * @param array $conf The Plugin configuration * @return string The content that is displayed on the website */ public function main($content, array $conf) { $this-&gt;conf = $conf; $this-&gt;pi_setPiVarDefaults(); $this-&gt;pi_loadLL(); $view = t3lib_div::makeInstance('tx_uniklstudgangext2013_pi1_view'); // !HERE! : also tried with new(), since I don't want to deal with XCLASS here... // this works: $content = "&lt;p&gt;Hello world!&lt;/p&gt;";...the line below doesn't... $content = $view-&gt;getCourseInfoOutput(); /*' &lt;strong&gt;This is a few paragraphs:&lt;/strong&gt;&lt;br /&gt; &lt;p&gt;This is line 1&lt;/p&gt; &lt;p&gt;This is line 2&lt;/p&gt; &lt;h3&gt;This is a form:&lt;/h3&gt; &lt;form action="' . $this-&gt;pi_getPageLink($GLOBALS['TSFE']-&gt;id) . '" method="POST"&gt; &lt;input type="text" name="' . $this-&gt;prefixId . '[input_field]" value="' . htmlspecialchars($this-&gt;piVars['input_field']) . '" /&gt; &lt;input type="submit" name="' . $this-&gt;prefixId . '[submit_button]" value="' . htmlspecialchars($this-&gt;pi_getLL('submit_button_label')) . '" /&gt; &lt;/form&gt; &lt;br /&gt; &lt;p&gt;You can click here to ' . $this-&gt;pi_linkToPage('get to this page again', $GLOBALS['TSFE']-&gt;id) . '&lt;/p&gt; '; */ return $this-&gt;pi_wrapInBaseClass($content); } } </code></pre> <p>I am a beginner in the Typo3 programming and I guess there are a hundred implicit issues I don't have in mind so far (by just not knowing how Typo3 operates implicitly). What I tried/did so far:</p> <ul> <li>Disabling the template-cache globally by setting it up in the root template.</li> <li><p>Conversion of all new statements into makeInstance(); not wanting this hookup to screw all my MVC code, I overwrote the called method $view->getCourseInfoOutput() by</p> <pre><code>public function getCourseInfoOutput() { return "hello world!"; //return $this-&gt;_model-&gt;getTemplateByCourseId(5); } </code></pre></li> <li><p>which leads me to the next issue: It just does not get the hello world within this! It seems, that Typo3 anyhow supresses the return value from classes out of the extension root class</p></li> <li>When I put all the code successively into the main method, it worked out just fine</li> </ul> <p>Could anyone please help me :/ I admit, that there is a slight possibility that I totally misunderstood how extensions work, but, as I said, I just want my code to run within the extension and simply return one single value. Is this really that hard?</p> <p>Greetings &amp; thx in advance! </p>
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