public function getNext()
    {
        if (false === $this->pointer || !$this->count || $this->count == $this->pointer) {
            return null;
        }
        
        $pointer = $this->pointer + 1;
        
        return isset($this->ids[$pointer]) ? $this->ids[$pointer] : null;
    }
public function getNext()
    {
        if (false === $this->pointer || !$this->count || $this->count == $this->pointer) {
            return null;
        }
        
        $pointer = $this->pointer + 1;
        
        return isset($this->ids[$pointer]) ? $this->ids[$pointer] : null;
    }
public function getNext ( ) { if ( false === $ this -> pointer || ! $ this -> count || $ this -> count == $ this -> pointer ) { return null ; } $ pointer = $ this -> pointer + 1 ; return isset ( $ this -> ids [ $ pointer ] ) ? $ this -> ids [ $ pointer ] : null ; }
Gets the id BEHIND the current entry.

@return string
@return NULL|multitype:
Gets the id BEHIND the current entry .