function extract()

in src/str/grapheme/select.php [49:64]

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

function extract(string $string, int $size, int $start = 0): ?(string, int) {
  $next = 0;
  /* HH_FIXME[2049] __PHPStdLib */
  /* HH_FIXME[4107] __PHPStdLib */
  $result = \grapheme_extract(
    $string,
    $size,
    0, /* $type: count graphemes */
    $start,
    inout $next,
  );
  if ($result === false) {
    return null;
  }
  return tuple($result, $next as nonnull);
}