Page 340 - Open Soource Technologies 304.indd

Web Technologies-I

Notes printf(“ISBN: %s<br>”, $book[‘isbn’]);
printf(“Comment: %s<p>\n”, $book[‘comment’]);
}

?> Back to the <a href=”<?= $_SERVER[‘PHP_SELF’] ?>”>list of books</a>.<p>
<?

}
}; // main program code
$my_library = new BookList (“books.xml”);
if ($_GET[‘isbn’])

{
// return info on one book

$my_library->show_book($_GET[‘isbn’]);
}
Else
{ // show menu of books

$my_library->show_menu( );
}
?>

</body>
</html>

Develop a program to parse an XML file which contains information on a set
of books.

Self Assessment

Multiple choice questions:
1. XML stands for

(a) External Markup Language (b) Expandable Markup Language
(c) Extensible Markup Language (d) None of these
2. Which is the correct tag for xml?
(a) <?xml version=”1.0” ?> (b) <?xml version=”1.0” !>
(c) <!xml version=”1.0” !> (d) None of these
3. To find the error in the xml code we use the function.
(a) xml_get_error_code( ) (b) xml_error_code( )

(c) xml_get_error( ) (d) All of above

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