public function remove($key)
    {
        $linesBefore = $this->lineCount();

        $this->lines->removeDefinition($key);

        return $linesBefore - $this->lineCount();
    }
public function remove($key)
    {
        $linesBefore = $this->lineCount();

        $this->lines->removeDefinition($key);

        return $linesBefore - $this->lineCount();
    }
public function remove ( $ key ) { $ linesBefore = $ this -> lineCount ( ) ; $ this -> lines -> removeDefinition ( $ key ) ; return $ linesBefore - $ this -> lineCount ( ) ; }
Remove a variable definition.

@param $key

@return int Lines removed
Remove a variable definition .