Launch contracts

Pick a start route, keep the active site visible.

Review contract

Preview a Gutenberg PR or branch

Accepts a PR number, GitHub URL, or branch name. The resulting active Playground is labeled as an editor patch review.

PR number, URL, or branch name

Installs Gutenberg build Network access allowed Does not store branch token

Waiting for contract validation
Runtime not prepared
Active identity unchanged

Active Playground object

Unsaved Playground

Temporary browser runtime. Refresh or close loses files and database unless saved.

Source: Gutenberg PR or branch selected
Reset mode: Destructive reset
Runtime: WP latest / PHP 8.3
Storage: temporary

playground.local/hello-from-playground/ ready

W My WordPress Website Edit Site 0 New Edit Page Howdy, admin

My WordPress Website

Hello from WordPress Playground!

This Playground runs client-side in your browser for testing plugins, themes, PRs, branches, and Blueprints.

Note that you are logged-in as admin. You can modify this site, inspect files, install plugins, and export the result.

Command history

Events mutate the same active object

Temporary Unsaved Playground opened at /hello-from-playground/.
Contract Gutenberg PR or branch selected for review.

Required primary flow

Save this temporary Playground

Unsaved

Playground name

Save in this browser Stores files and database in browser storage. URL slug becomes addressable here. Save to a local directory Copies the project into a chosen folder. Requires folder permission and reconnect after browser refresh.

No save running 0 / 3751 files

Choose destination
Copy WordPress files
Insert saved row
Change reset action to Save & Reload

Saved management

Saved, local, and temporary Playgrounds

2 objects

Unsaved Playground Temporary runtime, not saved to browser storage

PR 72042 Review Saved in browser, created May 21, 2026

Rename selected saved Playground

Site Manager

Settings, Files, Blueprint, Database, Logs

WordPress Version PHP Version Language Include older versions Allow network access Create a multisite network

Temporary reset consequence Apply Settings & Reset replaces files, database, logs, and path for unsaved Playgrounds.

FILES

/wordpress/wp-config.php Dirty

1  <?php define('CONCATENATE_SCRIPTS', false);
2  /**
3   * The base configuration for WordPress.
4   * Database settings, salts, table prefix, ABSPATH.
5   */
6  define('DB_NAME', 'database_name_here');
7  define('DB_HOST', 'localhost');

{
  "$schema": "https://playground.wordpress.net/blueprint-schema.json",
  "landingPage": "/hello-from-playground/",
  "login": true,
  "preferredVersions": { "php": "8.3", "wp": "latest" },
  "steps": [{ "step": "runPHP", "code": "<?php // review setup" }]
}

Database driver: MySQL emulation backed by SQLite
SQLite database path: /wordpress/wp-content/database/.ht.sqlite
Size: 452 KB

Playground logs

Booted latest WordPress with network access enabled.

WordPress logs

Notice: theme.json font fallback in active theme.

PHP logs

Warning: remote feed fetch retried once.

Required secondary flow

Blueprint gallery and apply

6 shown of 43

Search Blueprints

Feed Reader with the Friends Plugin Selected. JSON not validated.

{
  "$schema": "https://playground.wordpress.net/blueprint-schema.json",
  "meta": { "title": "Feed Reader with the Friends Plugin" },
  "landingPage": "/hello-from-playground/",
  "preferredVersions": { "php": "8.3", "wp": "latest" },
  "steps": [
    { "step": "installPlugin", "pluginZipFile": "friends.zip" },
    { "step": "runPHP", "code": "<?php // create feed sample" }
  ]
}

No Blueprint running 0%

Portability

GitHub, ZIP, database, Blueprint bundle

Transfer queue

Export to GitHub

Connects a GitHub account, chooses a repository, and exports files. Token is not stored after refresh.

Import from GitHub

Imports plugins, themes, or wp-content directories after account connection.

Import .zip

Uses the native file chooser and requires replacement confirmation.

Download as .zip

Creates a portable archive of the current Playground files and database.

Download database.sqlite

Downloads the SQLite database at /wordpress/wp-content/database/.ht.sqlite.

Blueprint bundle actions

Copy link, download bundle, or run the current Blueprint editor state.