how to access variable from a file

[eluser]ranjitbd[/eluser]

Code:

access variable and method

// we can load a library by following code

    $this->load->library('encrypt');

// suppose $abc is a variable and xyz() is a method exist in eccrypt file
// we can access the method by following code

    $this->encrypt->xyz();

// how can i access the variable $abc from encrypt file.and imagine that $abc is not
//inside the xyz() method

//then what will be the code