Roots Radicle Valet Driver which Supports Multisite with Subdirectory Installation

RadicleValetDriver.php

<?php

namespace Valet\Drivers\Custom;

use Valet\Drivers\BasicValetDriver;

class RadicleValetDriver extends BasicValetDriver
{
    /**
     * Determine if the driver serves the request.
     */
    public function serves(string $sitePath, string $siteName, string $uri): bool
    {
        return file_exists($sitePath.'/public/content/mu-plugins/bedrock-autoloader.php') &&
               file_exists($sitePath.'/public/wp-config.php') &&
               file_exists($sitePath.'/bedrock/application.php');
    }

    /**
     * Determine if the incoming request is for a static file.
     *
     * @return string|false
     */
    public function isStaticFile(string $sitePath, string $siteName, string $uri)/* : string|false */
    {
        $staticFilePath = $sitePath.'/public'.$uri;
        if ($this->isActualFile($staticFilePath)) {
            return $staticFilePath;
        }

        return false;
    }

    /**
     * Get the fully resolved path to the application's front controller.
     */
    public function frontControllerPath(string $sitePath, string $siteName, string $uri): string
    {
        $_SERVER['PHP_SELF'] = $uri;
        
        // Cache the public path to avoid repeated concatenation
        $publicPath = $sitePath . '/public';
        
        // Handle direct /wp/ requests
        if (str_starts_with($uri, '/wp/')) {
            $fullPath = $publicPath . $uri;
            return is_dir($fullPath) 
                ? $fullPath . (str_ends_with($uri, '/') ? '' : '/') . 'index.php'
                : $fullPath;
        }
        
        // Handle /wp-json/ requests
        if (str_starts_with($uri, '/wp-json/')) {
            return $publicPath . '/index.php';
        }
        
        // Handle subsite /wp/ requests - only if it contains the pattern
        if (str_contains($uri, '/wp/') && preg_match('/^\/([^\/]+)\/wp\/(.*)$/', $uri, $matches)) {
            $wpPath = '/wp/' . $matches[2];
            $fullPath = $publicPath . $wpPath;
            
            return is_dir($fullPath) 
                ? $fullPath . (str_ends_with($wpPath, '/') ? '' : '/') . 'index.php'
                : $fullPath;
        }
        
        return $publicPath . '/index.php';
    }

    /**
     * Redirect to uri with trailing slash.
     *
     * @return string
     */
    private function forceTrailingSlash(string $uri)
    {
        if (substr($uri, -1 * strlen('/wp/wp-admin')) == '/wp/wp-admin') {
            header('Location: '.$uri.'/');
            exit;
        }

        return $uri;
    }
}