function slice()

in src/str/grapheme/select.php [25:35]

• 9 lines of code
• 3 McCabe index (conditional complexity)

function slice(string $string, int $offset, ?int $length = null)[rx_local]: string {
  invariant($length === null || $length >= 0, 'Expected non-negative length.');
  $offset = _Private\validate_offset($offset, length($string));
  /* HH_FIXME[2049] __PHPStdLib */
  /* HH_FIXME[4107] __PHPStdLib */
  $result = \grapheme_substr($string, $offset, $length);
  if ($result === false) {
    return '';
  }
  return $result;
}