private static function _readln()
{
$line = fgets(self::$controlSocket);
if ($line === false) {
self::_setError(-1, 'fgets failed in _readln');
return false;
}
if (strlen($line) == 0) {
return $line;
}
$patch = array();
if (preg_match("/^[0-9][0-9][0-9] /", $line, $patch)) {
self::$lastResult = intval($patch[0]);
self::$newResult = true;
if (substr($patch[0], 0, 1) == '5') {
self::_setError(self::$lastResult, trim(substr($line, 4)));
}
}
self::$lastLine = trim($line);
return $line;
}
