lib/Sirel/Selections.php
function where($expr)
    {
        foreach (func_get_args() as $expr) {
            $this->getNodes()->restrictions[] = $expr;
        }

        return $this;
    }
function where($expr)
    {
        foreach (func_get_args() as $expr) {
            $this->getNodes()->restrictions[] = $expr;
        }

        return $this;
    }
function where ( $ expr ) { foreach ( func_get_args ( ) as $ expr ) { $ this -> getNodes ( ) -> restrictions [ ] = $ expr ; } return $ this ; }
Add a node to the criteria

@param  Node $expr,...
@return SelectManager
Add a node to the criteria