pear validate.php - No such file or directory

I have a website that uses pear's validate.php.

I use ubuntu on my development environment and I did install php-pear.

But when开发者_如何转开发 I open the page that has a require_once('Validate.php'), I get the error message:

Warning: require_once(Validate.php) [function.require-once]: failed to open stream: No such file or directory

What am I missing?

thanks

Nico

PEAR's Validate class is not bundled with the default distribution. You must install it separately.