Swift_ByteStream_ArrayByteStream::setReadPointer PHP Méthode

    public function setReadPointer($byteOffset)
    {
        if ($byteOffset > $this->_arraySize) {
            $byteOffset = $this->_arraySize;
        } elseif ($byteOffset < 0) {
            $byteOffset = 0;
        }
        $this->_offset = $byteOffset;
    }