azure-storage-common/src/Common/Models/Range.php
public function getRangeString()
    {
        $rangeString = '';

        $rangeString .= ('bytes=' . $this->start . '-');
        if ($this->end != null) {
            $rangeString .= $this->end;
        }

        return $rangeString;
    }
public function getRangeString()
    {
        $rangeString = '';

        $rangeString .= ('bytes=' . $this->start . '-');
        if ($this->end != null) {
            $rangeString .= $this->end;
        }

        return $rangeString;
    }
Constructs the range string according to the set start and end

@return string