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  1. POIndent "child" comment under "parent" comment
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    <p>I'm creating a comment system where users can answer to an existent comment but i want to know how to indent those replies ("child" comment) under the existent comment ("parent" comment).</p> <p>Here current code:</p> <pre><code>&lt;h2&gt;Fiche&lt;/h2&gt; &lt;?php $_SESSION['cf']['message'] = $_GET['message']; $reponse = db_query('SELECT * FROM messages WHERE id = ?', array($_SESSION['cf']['message'])); $donneesmsg = $reponse-&gt;fetch() ?&gt; &lt;h5&gt;&lt;?php echo $donneesmsg['Pseudo']; ?&gt;&lt;/h5&gt; &lt;p class="text-center text-align"&gt;&lt;?php echo $donneesmsg['Message']; ?&gt;&lt;/p&gt; &lt;a href="index.php?page=fiche&amp;message=&lt;?php echo $_SESSION['cf']['message'] ?&gt;&amp;#formcom"&gt;Repondre&lt;/a&gt; &lt;?php echo '&lt;h4&gt;Commentaires&lt;/h4&gt;'; echo '&lt;hr&gt;'; $reponse1 = db_query('SELECT * FROM comment WHERE messages_id = ?', array($donneesmsg['id'])); $donneescom1 = $reponse1-&gt;fetch(); $reponse = db_query('SELECT * FROM comment WHERE messages_id = ? ORDER BY id ASC', array($donneesmsg['id'])); while ($donneescom = $reponse-&gt;fetch()) { if ($donneescom['commentaires_id'] == 0) { echo '&lt;center&gt;'; echo '' .$donneescom['id']. '&lt;br&gt;'; echo '' .$donneescom['pseudo']. '&lt;br&gt;'; echo '' .$donneescom['commentaire']. '&lt;br&gt;'; echo '&lt;a href="index.php?page=fiche&amp;message=' .$_SESSION['cf']['message']. '&amp;com=' .$donneescom['id']. '#formcom"&gt;Repondre&lt;/a&gt;'; echo '&lt;hr&gt;'; echo '&lt;/center&gt;'; } if ($donneescom['commentaires_id'] != 0) { echo 'En reponse au com ' .$donneescom['commentaires_id']. '&lt;br&gt;'; echo '' .$donneescom['id']. '&lt;br&gt;'; echo '' .$donneescom['pseudo']. '&lt;br&gt;'; echo '' .$donneescom['commentaire']. '&lt;br&gt;'; echo '&lt;a href="index.php?page=fiche&amp;message=' .$_SESSION['cf']['message']. '&amp;com=' .$donneescom['id']. '#formcom"&gt;Repondre&lt;/a&gt;'; echo '&lt;hr&gt;'; } } ?&gt; &lt;form id="formcom" method="post" action="index.php?page=addcomment"&gt; Pseudo: &lt;input type="text" placeholder="Pseudo" name="pseudo"&gt; &lt;br&gt; Mail: &lt;input type="email" placeholder="Mail" name="mail"&gt; &lt;br&gt; Commentaire: &lt;textarea placeholder="Commentaire" name="commentaire"&gt;&lt;/textarea&gt; &lt;br&gt; &lt;input type="hidden" name="date" value="&lt;?php echo time(); ?&gt;"&gt;&lt;br&gt; &lt;input type="hidden" name="messages_id" value="&lt;?php echo $donneesmsg['id']; ?&gt;"&gt;&lt;br&gt; &lt;input type="text" name="commentaires_id" value="&lt;?php echo $_GET['com']; ?&gt;"&gt;&lt;br&gt; &lt;input type="hidden" name="id" value="&lt;?php echo $donneesmsg['id']; ?&gt;"&gt;&lt;br&gt; &lt;input type="submit" value="Envoyer"&gt; &lt;/form&gt; </code></pre>
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