Add DateTimeValue::now

Author: tvdijen

composer.json

@@ -42,6 +42,7 @@
         "ext-pcre": "*",
         "ext-spl": "*",
 
+        "psr/clock": "~1.0",
         "simplesamlphp/assert": "~1.9",
         "simplesamlphp/composer-xmlprovider-installer": "~1.2"
     },

src/XMLSchema/Type/DateTimeValue.php

@@ -6,6 +6,7 @@
 
 use DateTimeImmutable;
 use DateTimeInterface;
+use Psr\Clock\ClockInterface;
 use SimpleSAML\XML\Assert\Assert;
 use SimpleSAML\XMLSchema\Exception\SchemaViolationException;
 use SimpleSAML\XMLSchema\Type\Interface\AbstractAnySimpleType;
@@ -47,6 +48,15 @@ protected function validateValue(string $value): void
     }
 
 
+    /**
+     * @return static
+     */
+    public static function now(ClockInterface $clock): static
+    {
+        return static::fromDateTime($clock->now());
+    }
+
+
     /**
      * @param \DateTimeInterface $value
      * @return static