| protected _readBytes ( ) : string | null | ||
| return | string | null | the bytes read, or null if it's empty. |
protected function _readBytes()
{
$length = $this->_readInt();
if ($length === -1) {
return null;
} else {
if ($length === 0) {
return '';
} else {
$this->_input_buffer .= $string = $this->_socket->read($length);
return $string;
}
}
}