public MenuLinkBase::isDeletable()
Returns whether this link can be deleted.
bool TRUE if the link can be deleted, FALSE otherwise.
Overrides MenuLinkInterface::isDeletable
public function isDeletable() { return (bool) $this->getDeleteRoute(); }
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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Menu!MenuLinkBase.php/function/MenuLinkBase::isDeletable/8.1.x