62             $check_utf8 = static function ($value, $key): void {
66                 if (is_string($value) && preg_match('//u', $value) !== 1) {
128         $this->rules[] = static function (int|null $value) use ($minimum, $maximum): int|null {
129             if (is_int($value) && $value >= $minimum && $value <= $maximum) {
130                 return $value;
146 …his->rules[] = static fn (int|string|null $value): int|string|null => in_array($value, $values, tr…
166 …$this->rules[] = static fn (string|null $value): string|null => $value !== null && $value !== '' ?…
178         $this->rules[] = static function (string|null $value) use ($base_url): string|null {
179             if ($value !== null) {
180                 $value_info    = parse_url($value);
191                         return $value;
207         $this->rules[] = static function (string|null $value): string|null {
208             if ($value !== null && preg_match('/^' . Gedcom::REGEX_TAG . '$/', $value) === 1) {
209                 return $value;
223         $this->rules[] = static function ($value) {
224             if (is_string($value) && preg_match('/^' . Gedcom::REGEX_XREF . '$/', $value) === 1) {
225                 return $value;
228             if (is_array($value)) {
229                 foreach ($value as $v) {
235                 return $value;
252         $value = $this->parameters[$parameter] ?? null;
254         if (in_array($value, ['1', 'on', true], true)) {
258         if (in_array($value, ['0', '', false], true)) {
276         $value = $this->parameters[$parameter] ?? null;
278         if (!is_array($value) && $value !== null) {
282         $callback = static fn (array|null $value, Closure $rule): array|null => $rule($value);
284         return array_reduce($this->rules, $callback, $value) ?? [];
295         $value = $this->parameters[$parameter] ?? null;
297         if (is_numeric($value)) {
298             $value = (float) $value;
300             $value = null;
303         $callback = static fn (?float $value, Closure $rule): float|null => $rule($value);
305         $value = array_reduce($this->rules, $callback, $value) ?? $default;
307         if ($value === null) {
311         return $value;
322         $value = $this->parameters[$parameter] ?? null;
324         if (is_string($value)) {
325             if (ctype_digit($value)) {
326                 $value = (int) $value;
327             } elseif (str_starts_with($value, '-') && ctype_digit(substr($value, 1))) {
328                 $value = (int) $value;
332         if (!is_int($value)) {
333             $value = null;
336         $callback = static fn (int|null $value, Closure $rule): int|null => $rule($value);
338         $value = array_reduce($this->rules, $callback, $value) ?? $default;
340         if ($value === null) {
344         return $value;
354         $value = $this->parameters[$parameter] ?? null;
356         if ($value instanceof Route) {
357             return $value;
371         $value = $this->parameters[$parameter] ?? null;
373         if (!is_string($value)) {
374             $value = null;
377         $callback = static fn (string|null $value, Closure $rule): string|null => $rule($value);
379         $value =  array_reduce($this->rules, $callback, $value) ?? $default;
381         if ($value === null) {
385         return $value;
395         $value = $this->parameters[$parameter] ?? null;
397         if ($value instanceof Tree) {
398             return $value;
406         $value = $this->parameters[$parameter] ?? null;  variable in Fisharebest\\Webtrees\\Validator
408         if ($value === null || $value instanceof Tree) {
409             return $value;  variable in Fisharebest\\Webtrees\\Validator
417         $value = $this->parameters[$parameter] ?? null;
419         if ($value instanceof UserInterface) {
420             return $value;