function Translator::getExtension

Throws

ExpressionErrorException

File

vendor/symfony/css-selector/XPath/Translator.php, line 130

Class

Translator

XPath expression translator interface.

Namespace

Symfony\Component\CssSelector\XPath

Code

public function getExtension(string $name) : Extension\ExtensionInterface {
    if (!isset($this->extensions[$name])) {
        throw new ExpressionErrorException(\sprintf('Extension "%s" not registered.', $name));
    }
    return $this->extensions[$name];
}