public function PluginBag::has

Determines if a plugin instance exists.

Parameters

string $instance_id: The ID of the plugin instance to check.

Return value

bool TRUE if the plugin instance exists, FALSE otherwise.

File

drupal/core/lib/Drupal/Component/Plugin/PluginBag.php, line 56

Contains \Drupal\Component\Plugin\PluginBag.

Class

PluginBag

Defines an object which stores multiple plugin instances to lazy load them.

Namespace

Code

public function has($instance_id) {
  return isset($this->pluginInstances[$instance_id]) || isset($this->instanceIDs[$instance_id]);
}