17      * @param string $val
21     public function parseSort($val)  argument
23         if (str_starts_with($val, '^')) {
24             return [substr($val, 1), false];
26         return [$val, true];
35     public function parseFilterLine($logic, $val)  argument
37         $flt = $this->parseFilter($val);
48      * @param string $val
53     protected function parseFilter($val)  argument
62         if (!preg_match('/^(.*?)(' . $comps . ')(.*)$/', $val, $match)) {
63             throw new StructException('Invalid search filter %s', hsc($val));