<?php

include_once 'database.php';

class FORUM {

	private $rows;

	function __construct($DB_con)
	{
		$this->db = $DB_con;
	}

	public function getColumn() {
		try {
			$query = $this->db->prepare("DESCRIBE threads");
			$query->execute();
		//retrieve the columns inside the table posts
			$this->rows = $query->fetchAll(PDO::FETCH_COLUMN);
		} catch(PDOException $e) {
			echo $e->getMessage();
		}
	}

	public function setColumn() {
	//output the column values
		if(is_array($this->rows)) {
			foreach($this->rows as $row) {
				echo $row . "</br>";
			}
		} else {
			echo "This is not an array";
		}
	}

} //End forum class

$forum = new FORUM($DB_con);
$forum->getcolumn();
$forum->setColumn();

?>