allow vendord

vendor/kreait/firebase-php/src/Firebase/Util/DT.php

@@ -0,0 +1,91 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Kreait\Firebase\Util;
+
+use DateTimeImmutable;
+use DateTimeInterface;
+use DateTimeZone;
+use Kreait\Firebase\Exception\InvalidArgumentException;
+use Throwable;
+
+use function ctype_digit;
+use function get_debug_type;
+use function is_bool;
+use function is_object;
+use function is_scalar;
+use function mb_strlen;
+use function method_exists;
+use function preg_match;
+use function sprintf;
+use function time;
+
+/**
+ * @internal
+ */
+final class DT
+{
+    public static function toUTCDateTimeImmutable(mixed $value): DateTimeImmutable
+    {
+        $tz = new DateTimeZone('UTC');
+        $now = time();
+
+        if ($value instanceof DateTimeInterface) {
+            $result = DateTimeImmutable::createFromFormat('U.u', $value->format('U.u'));
+
+            if ($result instanceof DateTimeImmutable) {
+                return $result->setTimezone($tz);
+            }
+        }
+
+        if ($value === null || $value === 0 || is_bool($value)) {
+            $value = '0';
+        }
+
+        if (is_scalar($value) || (is_object($value) && method_exists($value, '__toString'))) {
+            $value = (string) $value;
+        } else {
+            $type = get_debug_type($value);
+
+            throw new InvalidArgumentException("This {$type} cannot be parsed to a DateTime value");
+        }
+
+        if (ctype_digit($value)) {
+            // Seconds
+            if (($value === '0' || mb_strlen($value) === mb_strlen((string) $now))) {
+                $result = DateTimeImmutable::createFromFormat('U', $value);
+
+                if ($result instanceof DateTimeImmutable) {
+                    return $result->setTimezone($tz);
+                }
+            }
+
+            // Milliseconds
+            if (mb_strlen($value) === mb_strlen((string) ($now * 1000))) {
+                $floatValue = (float) $value;
+                $result = DateTimeImmutable::createFromFormat('U.u', sprintf('%F', $floatValue / 1000));
+
+                if ($result !== false) {
+                    return $result->setTimezone($tz);
+                }
+            }
+        }
+
+        // microtime
+        if (preg_match('@(?P<msec>^0?\.\d+) (?P<sec>\d+)$@', $value, $matches) === 1) {
+            $value = (string) ((float) $matches['sec'] + (float) $matches['msec']);
+            $result = DateTimeImmutable::createFromFormat('U.u', sprintf('%F', $value));
+
+            if ($result instanceof DateTimeImmutable) {
+                return $result->setTimezone($tz);
+            }
+        }
+
+        try {
+            return (new DateTimeImmutable($value))->setTimezone($tz);
+        } catch (Throwable $e) {
+            throw new InvalidArgumentException($e->getMessage());
+        }
+    }
+}