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    <p>You need to edit how you retrieve your comments using your function:</p> <pre><code>public function fetch_data($post_id){ global $pdo; $query = $pdo-&gt;prepare("SELECT * FROM comments WHERE post_id = ?"); $query-&gt;bindValue(1, $post_id); $query-&gt;execute(); return $query-&gt;fetch(); } </code></pre> <p>Should be something similar to:</p> <pre><code>public function fetch_data($post_id){ global $pdo; $query = $pdo-&gt;prepare("SELECT * FROM comments WHERE post_id = ?"); $query-&gt;bindValue(1, $post_id); $query-&gt;execute(); $results = array(); while($row = $query-&gt;fetch()){ $results[] = $row; } return $query-&gt;fetch(); } </code></pre> <p>Then it should work right as you think it should</p> <p>Your array previously was:</p> <pre><code>$comments = array( 'comment_id' =&gt; '1', 0 =&gt; '1', 'poster_name' =&gt; 'Mackan90096', 1 =&gt; 'Mackan90096', 'comment_content' =&gt; 'Hi! This is a test comment!', 2 =&gt; 'Hi! This is a test comment!', 'comment_timestamp' =&gt; '1385144211', 3 =&gt; '1385144211', 'post_id' =&gt; '4', 4 =&gt; '4' ); </code></pre> <p>And now it will be:</p> <pre><code>$comments = array( 0 =&gt; array( 'comment_id' =&gt; '1', 0 =&gt; '1', 'poster_name' =&gt; 'Mackan90096', 1 =&gt; 'Mackan90096', 'comment_content' =&gt; 'Hi! This is a test comment!', 2 =&gt; 'Hi! This is a test comment!', 'comment_timestamp' =&gt; '1385144211', 3 =&gt; '1385144211', 'post_id' =&gt; '4', 4 =&gt; '4' ) ); </code></pre> <p><strong>Note:</strong> using <code>$comments as $comment</code> as your foreach parameter is not good because $comment then overwrites your <code>Comment</code> class variable for later use.</p>
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