Merge branch '4.4' into 5.1

* 4.4:
  [Intl] promote warnings to value errors on PHP 8
  Fix CS
  DateTime validator support for trailing data
  Remove some leftover for HHVM support
  Simplify code
  Fix tests on 5.6
  [Debug] Skip a test that was meant for HHVM.
  [Console] Silence warnings on sapi_windows_cp_set() call
  guard $argv + $token against null, preventing unnecessary exceptions

Author: xabbuh

Constraints/DateTimeValidator.php

@@ -53,6 +53,12 @@ public function validate($value, Constraint $constraint)
             return;
         }
 
+        if ('+' === substr($constraint->format, -1)) {
+            $errors['warnings'] = array_filter($errors['warnings'], function ($warning) {
+                return 'Trailing data' !== $warning;
+            });
+        }
+
         foreach ($errors['warnings'] as $warning) {
             if ('The parsed date was invalid' === $warning) {
                 $this->context->buildViolation($constraint->message)

Tests/Constraints/DateTimeValidatorTest.php

@@ -114,4 +114,12 @@ public function getInvalidDateTimes()
             ['Y-m-d H:i:s', '2010-01-01 00:00:60', DateTime::INVALID_TIME_ERROR],
         ];
     }
+
+    public function testDateTimeWithTrailingData()
+    {
+        $this->validator->validate('1995-05-10 00:00:00', new DateTime([
+            'format' => 'Y-m-d+',
+        ]));
+        $this->assertNoViolation();
+    }
 }