phplinter\Lint\BaseLint::process_locals PHP Метод

    protected function process_locals($locals, $_locals, $args)
    {
        foreach ($locals as $ll) {
            // Skip superglobals
            if (in_array($ll, $this->globals)) {
                continue;
            }
            $cnt = count(array_filter($_locals, function ($s) use($ll) {
                return $s == $ll;
            }));
            if ($cnt === 1 && !in_array($ll, array_keys($args))) {
                if (isset($this->locals[T_VARIABLE]) && !in_array($ll, $this->locals[T_VARIABLE])) {
                    $this->report('WAR_UNUSED_VAR', $ll);
                }
            }
        }
    }