public BubbleableMetadata::merge(CacheableMetadata $other)
Merges the values of another bubbleable metadata object with this one.
Parameters
\Drupal\Core\Cache\CacheableMetadata $other: The other bubbleable metadata object.
Return value
static A new bubbleable metadata object, with the merged data.
Overrides CacheableMetadata::merge
File
- core/lib/Drupal/Core/Render/BubbleableMetadata.php, line 26
Class
- BubbleableMetadata
- Value object used for bubbleable rendering metadata.
Namespace
Drupal\Core\Render
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | public function merge(CacheableMetadata $other) { $result = parent::merge($other); // This is called many times per request, so avoid merging unless absolutely // necessary. if ($other instanceof BubbleableMetadata) { if (empty($this->attachments)) { $result->attachments = $other->attachments; } elseif (empty($other->attachments)) { $result->attachments = $this->attachments; } else { $result->attachments = static::mergeAttachments($this->attachments, $other->attachments); } } return $result;} |
Please login to continue.