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    <p>A couple of suggestions:</p> <ul> <li>Put your controller classes in its own dedicated folder, containing ONLY controller classes</li> <li><p>Make your filter as strict as possible eg.</p> <pre><code>/* is $_GET['controller'] set? */ if (!isset($_GET['controller'])) { // load error or default controller??? } $loadController = $_GET['controller']; /* replace any characters NOT matching a-z or _ (whitelist approach), case insensitive */ $loadController = preg_replace('/[^a-z_]+/i', '', $loadController); /* verify var is not empty now :) */ if (!$loadController) { // load error or default controller??? } /* if your classes are named in a certain fashion, eg. "Classname", format the incoming text to match ** NEVER TRUST USER INPUT ** */ $loadController = ucfirst(strtolower($loadController)); </code></pre></li> <li><p>Check if the file exists <a href="http://php.net/file_exists" rel="nofollow">Why not file_exists? see desc</a></p> <pre><code>/* avoiding using file_exists as it also matches folders... */ if (!is_file($myControllerClassesPath.$loadController.'.php')) { // load error or default controller??? } </code></pre></li> <li><p>Then require the file, and verify that the class itself exists</p> <pre><code>require($myControllerClassesPath.$loadController.'.php'); /* of course, this assumes filename === classname, adjust accordingly */ if (!class_exists($loadController)) { // load error or default controller??? } </code></pre></li> <li><p>Then of course, new instance of X</p> <pre><code>new $loadController; </code></pre></li> </ul>
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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