src/Utils/BaseEntity.php
public function getCurrentId()
    {
        // We have programmatically bootstrapped Drupal core, so able to use such functionality.
        $args = arg();

        return count($args) > 1 && $this->entityType() === $args[0] && $args[1] > 0 ? (int) $args[1] : 0;
    }
public function getCurrentId()
    {
        // We have programmatically bootstrapped Drupal core, so able to use such functionality.
        $args = arg();

        return count($args) > 1 && $this->entityType() === $args[0] && $args[1] > 0 ? (int) $args[1] : 0;
    }
Get identifier of current entity.

@return int