ryanshoover

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Simply define your production url in settings and copy your site to your staging instance without fear. The staging site won’t send any emails and won’t process any payments.
<h4>Why should I use the plugin</h4>
If you host your site on a managed host that provides a staging instance (WP Engine, Siteground, and others), or if you run a staging instance for a self-hosted website, you may have found that WordPress and WooCommerce will automatically send emails and process payments from the staging site. Whenever you clone your production site to your staging site, you would normally need to complete a number of steps to make your site “safe for staging.”
Instead, install this plugin in production, set the production URL, and safely copy your site to and from staging. No other steps needed!
<h4>Features on Staging</h4>
<ol>
<li>A “noindex” tag is added to all pages. Your staging site won’t show up in Google.</li>
<li>WordPress emails are stopped. The site won’t send any emails except for the password reset email. Please note, this feature may not be compatible with plugins that offload email to a 3rd party service.</li>
<li>The WooCommerce checkout page has a warning message notifying the visitor they are viewing the staging site.</li>
<li>WooCommerce payment gateways are suspended. Bank account transfer, Cash on Delivery and Check are left enabled. Stripe is automatically put into test mode.</li>
<li>WooCommerce Subscriptions is put into staging mode.</li>
</ol>

Safe Staging

My client did something that suddenly started sending emails from the staging server for their membership site. This plugin allowed me to kill the emails from sending and backtrack the issues caused before it got out of hand. 

This saved my client

Safely copy your WordPress, WooCommerce, and membership site between production and staging.

Whodunit

Jb Audras

This plugins provides custom admin bar colors to differentiate environments (staging, preprod, production). It’s really easy to use and developer-friendly.
The plugin provides a settings screen which several options:
<ul>
<li>choose between several color predefined schemes.</li>
<li>use a favicon to better differentiate your environments in your browser’s tabs.</li>
<li>add a custom message in your admin bar, like “Production website”, “staging version” or whatever your want.</li>
<li>choose the user roles that will see the color scheme (other roles will see the default admin bar).</li>
</ul>
It also offers few PHP constants you can use in your <code>wp-config.php</code> file (see Frequently Asked Questions below).
Since WordPress Core will probably deprecate alternate admin color schemes in mid-term, this plugin is meant to be use by those who rely on colors to know is they are in staging, preproduction or production environment.
Last but not least, all provided color schemes are accessibility-ready!

Contextual Adminbar Color

OMG this is what I need.
I actually use the alternate colors, but I don't like to change the good "blacky" interface ;)
So, this is the best option ever.
And since the alt colors will disappear (soon?), it's a good idea to use this to prevent wrong wabsite updates and tons of wasted hours trying to figure "why this is not updating? HO CRAP I AM ON THE PRODUCTION SITE *phone rings* "hey, client… well listen… you won't believe me ha ha ha :|"

This is what I need

Perfect plugin that allows me to easily differentiate my various environments.

THX !

Great !!!

Really enjoy this plugin.
It’s simple and well integrated with WordPress admin UI.

I really like the optional configuration through wp-config.php.
After configuring it once in wp-config.php, I won’t ever need to reconfigure because it doesn’t loose settings on importing settings (eg. staging <-> production).

Great job @audrasjb!

Simple and very usefull!

Such a great helper! It gives me the safety to know exactly which environment I work on without having to worry. 
Sometimes things look just alike in your DEV, STAGE and PROD environment. And with this little plugin, it is immediately obvious which environment you work in.
And it also works on WP 5.6 - just checked...

Makes my life much better knowing exactly where I am

Use custom admin bar colors and favicons to differentiate your environments (staging/prod)

Safe Staging vs Contextual Adminbar Color