[Uid] [GenerateUuidCommand] Compute a new \DateTimeImmutable every loop

src/Symfony/Component/Uid/Command/GenerateUuidCommand.php

@@ -131,7 +131,7 @@ EOF
                 }
 
                 try {
-                    $time = new \DateTimeImmutable($time);
+                    new \DateTimeImmutable($time);
                 } catch (\Exception $e) {
                     $io->error(sprintf('Invalid timestamp "%s": %s', $time, str_replace('DateTimeImmutable::__construct(): ', '', $e->getMessage())));
 
@@ -139,7 +139,7 @@ EOF
                 }
 
                 $create = function () use ($node, $time): Uuid {
-                    return $this->factory->timeBased($node)->create($time);
+                    return $this->factory->timeBased($node)->create(new \DateTimeImmutable($time));
                 };
                 break;
 

src/Symfony/Component/Uid/Tests/Command/GenerateUlidCommandTest.php

@@ -89,4 +89,15 @@ final class GenerateUlidCommandTest extends TestCase
 
         Ulid::fromRfc4122(trim($commandTester->getDisplay()));
     }
+
+    public function testTimestampIncrementWhenGeneratingSeveralTimeBasedUlids()
+    {
+        $commandTester = new CommandTester(new GenerateUlidCommand());
+
+        $this->assertSame(0, $commandTester->execute(['--time' => 'now', '--count' => '2']));
+
+        $ulids = explode("\n", trim($commandTester->getDisplay(true)));
+
+        $this->assertNotSame($ulids[0], $ulids[1]);
+    }
 }

src/Symfony/Component/Uid/Tests/Command/GenerateUuidCommandTest.php

@@ -209,4 +209,15 @@ final class GenerateUuidCommandTest extends TestCase
 
         Uuid::fromBase32(trim($commandTester->getDisplay()));
     }
+
+    public function testTimestampIncrementWhenGeneratingSeveralTimeBasedUuids()
+    {
+        $commandTester = new CommandTester(new GenerateUuidCommand());
+
+        $this->assertSame(0, $commandTester->execute(['--time-based' => 'now', '--count' => '2']));
+
+        $uuids = explode("\n", trim($commandTester->getDisplay(true)));
+
+        $this->assertNotSame($uuids[0], $uuids[1]);
+    }
 }