استرجاع جميع البيانات من الكلاس

<?php
	$b = new affich_books();
	$data = $b->affichage();

	echo "<pre>";
	print_r ($data);
	echo "</pre>";


	class affich_books {
		private $dataQuery = array();

		// Constructor
		public function __construct()
		{
			mysql_connect("localhost" , "root", "");
			mysql_select_db("agency");

			$this->dataQuery = mysql_query('SELECT * FROM books');
		}

		public function affichage()
		{
			$tableau2 = array();

			while($row = mysql_fetch_assoc($this->dataQuery)) {
				$tableau1 = array();
				$tableau1['title']  = $row['title'];
				$tableau1['author'] = $row['author'];
				$tableau2[] = $tableau1;
			}

			return $tableau2;
		}
	}
?>