bundle/Templating/Twig/Extension/NetgenAdminUIExtension.php
public function getLegacyPreference($name)
    {
        $legacyKernel = $this->legacyKernel;

        return $legacyKernel()->runCallback(
            function () use ($name) {
                return eZPreferences::value($name);
            }
        );
    }
public function getLegacyPreference($name)
    {
        $legacyKernel = $this->legacyKernel;

        return $legacyKernel()->runCallback(
            function () use ($name) {
                return eZPreferences::value($name);
            }
        );
    }
Returns eZ Publish Legacy ezpreference value.

@param string $name

@return mixed