170         $soundex_std = Validator::queryParams($request)->boolean('soundex_std', false);
182                 $individuals = $this->loadIndividuals($tree, $surname, $soundex_dm, $soundex_std);
194 … => $this->getPatriarchsHtml($tree, $individuals, $ancestors, $surname, $soundex_dm, $soundex_std),
205                 'soundex_std' => $soundex_std,
218             'soundex_std' => $soundex_std,
262      * @param bool   $soundex_std
266 …e function loadIndividuals(Tree $tree, string $surname, bool $soundex_dm, bool $soundex_std): array  argument
276 …         ->where(static function (Builder $query) use ($surname, $soundex_dm, $soundex_std): void {
281                 if ($soundex_std) {
319      * @param bool              $soundex_std
323 …array $individuals, array $ancestors, string $surname, bool $soundex_dm, bool $soundex_std): string  argument
334 …scendantsHtml($tree, $individuals, $ancestors, $surname, $soundex_dm, $soundex_std, $individual, n…
349      * @param bool              $soundex_std
355 …ndividuals, array $ancestors, string $surname, bool $soundex_dm, bool $soundex_std, Individual $in…  argument
365             if ($this->surnamesMatch($surn1, $surname, $soundex_std, $soundex_dm)) {
436 …scendantsHtml($tree, $individuals, $ancestors, $surname, $soundex_dm, $soundex_std, $child, $famil…
453      * @param bool   $soundex_std
458 …private function surnamesMatch(string $surname1, string $surname2, bool $soundex_std, bool $sounde…  argument
461 …  if ($soundex_std && Soundex::compare(Soundex::russell($surname1), Soundex::russell($surname2))) {