function ControllerResolver::getControllerFromDefinition

Overrides ControllerResolverInterface::getControllerFromDefinition

File

core/lib/Drupal/Core/Controller/ControllerResolver.php, line 57

Class

ControllerResolver

ControllerResolver to enhance controllers beyond Symfony's basic handling.

Namespace

Code

public function getControllerFromDefinition($controller, $path = '') {
    if (is_array($controller) || is_object($controller) && method_exists($controller, '__invoke')) {
        return $controller;
    }
    if (strpos($controller, ':') === FALSE) {
        if (function_exists($controller)) {
            return $controller;
        }
        return $this->classResolver
            ->getInstanceFromDefinition($controller);
    }
    $callable = $this->createController($controller);
    if (!is_callable($callable)) {
        throw new \InvalidArgumentException(sprintf('The controller for URI "%s" is not callable.', $path));
    }
    return $callable;
}