update

modules/pshowsso/vendor/lcobucci/jwt/compat/lcobucci-clock-polyfill.php

@@ -0,0 +1,59 @@
+<?php
+
+namespace Lcobucci\Clock;
+
+use DateTimeImmutable;
+use DateTimeZone;
+use function interface_exists;
+if (!interface_exists(\Lcobucci\Clock\Clock::class)) {
+    interface Clock
+    {
+        /** @return DateTimeImmutable */
+        public function now();
+    }
+    final class FrozenClock implements \Lcobucci\Clock\Clock
+    {
+        /** @var DateTimeImmutable */
+        private $now;
+        public function __construct(DateTimeImmutable $now)
+        {
+            $this->now = $now;
+        }
+        /** @return self */
+        public static function fromUTC()
+        {
+            return new self(new DateTimeImmutable('now', new DateTimeZone('UTC')));
+        }
+        public function setTo(DateTimeImmutable $now)
+        {
+            $this->now = $now;
+        }
+        public function now()
+        {
+            return $this->now;
+        }
+    }
+    final class SystemClock implements \Lcobucci\Clock\Clock
+    {
+        /** @var DateTimeZone */
+        private $timezone;
+        public function __construct(DateTimeZone $timezone)
+        {
+            $this->timezone = $timezone;
+        }
+        /** @return self */
+        public static function fromUTC()
+        {
+            return new self(new DateTimeZone('UTC'));
+        }
+        /** @return self */
+        public static function fromSystemTimezone()
+        {
+            return new self(new DateTimeZone(date_default_timezone_get()));
+        }
+        public function now()
+        {
+            return new DateTimeImmutable('now', $this->timezone);
+        }
+    }
+}