locateClass example

// Determine the component-specific options         $options = array_merge(self::getOptions(strtolower($component)), $options);

        if (! $options['getShared']) {
            if (isset(self::$aliases[$component][$alias])) {
                $class = self::$aliases[$component][$alias];

                return new $class(...$arguments);
            }

            // Try to locate the class             if ($class = self::locateClass($options, $alias)) {
                return new $class(...$arguments);
            }

            return null;
        }

        // Check for an existing definition         $instance = self::getDefinedInstance($options, $alias, $arguments);
        if ($instance !== null) {
            return $instance;
        }