The function getArtist() returns the value of member
The function getArtist() returns the value of member variable artist: function getArtist() { return $this->artist; } } ?> The Book_Shop Class The script BookShop.phpcontains the definition of Book_Shop class: returnValue == null) { return $functionResult; } $link = $functionResult->returnValue; SELECT query to retrieve all the books from the database: $bookShopSelectQuery = “SELECT itemNo, itemType, price, title, author FROM BookShop”; Execute the SQL query: if (!($result = mysql_query($bookShopSelectQuery, $link))) { return new Function_Result(”Internal Error: Could not execute sql query “, null); } $bookShopContent = null; while (($row = mysql_fetch_array($result, MYSQL_NUM))) { Page 564
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