class RoutingExtension extends Twig_Extension Provides integration of the Routing component with

string formatFile(string $file, int $line, string $text = null) Formats a file path.

string getAssetUrl(string $path, string $packageName = null) Returns the public url/path of an

getFilters() {@inheritdoc}

abbrMethod($method) Parameters $method

string generateAbsoluteUrl(string $path) Returns the absolute URL for the given absolute or relative

getFunctions() {@inheritdoc}

getFilters() {@inheritdoc}

class ExpressionExtension extends Twig_Extension ExpressionExtension gives a way to create Expressions

getName() {@inheritdoc}