How to encode url parameter in Joomla

I am working with Joomla component Problem is:

I have an URL like thi开发者_JAVA技巧s

http://localhost/Joomla_16/index.php/component/mycomponent_name/?view=mycomponent_view&cre=15

I want to encode the value of &cre=15

How can I do that?

Thanks in advance.

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Problem solved

It is easy. Using base64_encode. silly me!