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WP Admin Notices

A simplified OOP implementation of the WordPress admin notices.

• The Goals, or What This Package Does?
• Install
• Usage
  • Example
  • Notice
  • __construct(string $handle, string $content, string $type = null)
  • StickyNotice
  • __construct(string $handle, string $content, string $type = null)
  • Store
  • __construct(string $optionKey)
  • add(NoticeInterface ...$notices)
  • delete(string $handle)
  • Notifier
  • __construct(string $action, StoreInterface $store)
  • Factory
  • build(string $optionKey, string $action): Store
• Frequently Asked Questions
  • Can I implement my own notice classes?
  • Can I use a different storage scheme other than wp_option table?
  • Is this a plugin?
  • What to do when wp.org plugin team tell me to clean up the vendor folder?
  • Can two different plugins use this package at the same time?
  • Do you have a demo plugin that use this package?
  • Do you have real life examples that use this package?
  • It looks awesome. Where can I find some more goodies like this?
• Support
  • Why don't you hire me?
  • Want to help in other way? Want to be a sponsor?
• Developing
• Running the Tests
• Feedback
• Change log
• Security
• Contributing
• Credits
• License

The Goals, or What This Package Does?

Install

Installation should be done via composer, details of how to install composer can be found at https://getcomposer.org/.

You should put all WP Admin Notices classes under your own namespace to avoid class name conflicts.

• imposter-plugin
• mozart

Usage

Example

Notice

One-off notice that guaranteed to be shown once and once only.

__construct(string $handle, string $content, string $type = null)

Notice constructor.

• @param string $handle The notice's unique identifier.
• @param string $content The HTML content of the notice.
• @param string|null $type The notice's type. Expecting one of Notice::UPDATE_NAG, Notice::ERROR, Notice::WARNING, Notice::INFO, Notice::SUCCESS. Default is Notice::INFO.

Notice::UPDATE_NAG is not suitable for regular admin notices. See WordPress codex.

StickyNotice

StickyNotice persists in database until user clicks to dismiss it.

__construct(string $handle, string $content, string $type = null)

StickyNotice constructor.

• @param string $handle The notice's unique identifier. Also used to permanently dismiss a sticky notice.
• @param string $content The HTML content of the notice.
• @param string|null $type The notice's type. Expecting one of StickyNotice::ERROR, StickyNotice::WARNING, StickyNotice::INFO, StickyNotice::SUCCESS. Default is StickyNotice::INFO.

UPDATE_NAG is not available for StickyNotice.

Store

By default, WP Admin Notices stores notices in WordPress' wp_option table via Store. If you want to use an alternative store, see FAQ.

__construct(string $optionKey)

Store constructor.

• @param string $optionKey Key in options table that holds all enqueued notices.

add(NoticeInterface ...$notices)

Enqueue admin notices to database.

Not limited to Notice and StickyNotice only, any instance of NoticeInterface is accepted. See FAQ.

• @param NoticeInterface[] ...$notices Notices to be enqueued.

delete(string $handle)

Delete an enqueued notice.

• @param string $handle Handle of the notice to be deleted.

Notifier

Notifier handles all interactions between WordPress and this package via action hooks. You have to hook it into WordPress via add_action unless you use Factory.

__construct(string $action, StoreInterface $store)

Notifier constructor.

• @param string $action AJAX request's 'action' property for sticky notices.
• @param StoreInterface $store Connector to notice storage.

Factory

Factory is a helper class to reduce boilerplate code for those who use default Store class. If you use a custom store, don't use this class.

build(string $optionKey, string $action): Store

• @param string $optionKey Key in options table that holds all enqueued notices.
• @param string $action AJAX request's 'action' property for sticky notices.
• @return Store

Frequently Asked Questions

Can I implement my own notice classes?

Of course! Just implements the NoticeInterface.

Take a look at classes Notice and StickyNotice as well as their tests for example implementations of StoreInterface.

If you'd like to create a open-source package to do this to help others, open a new issue to let us know, we'd love to help you with it.

Can I use a different storage scheme other than wp_option table?

Of course! WP Admin Notices data store is completely swappable, and always has been.

To implement a custom store:

1. Implement StoreInterface
2. Pass you custom store to Notifier

Take a look at the Store class and StoreTest for an example implementation of StoreInterface.

If you'd like to create a open-source package to do this to help others, open a new issue to let us know, we'd love to help you with it.

Is this a plugin?

No, this is a package that should be part of your plugin.

What to do when wp.org plugin team tell me to clean up the vendor folder?

Re-install packages via the following command. This package exports only necessary files to dist.

Can two different plugins use this package at the same time?

Yes, if put all WP Admin Notices classes under your own namespace to avoid class name conflicts.

• imposter-plugin
• mozart

Do you have a demo plugin that use this package?

You can install this demo plugin by

Check out wp-admin-notices.php. We use it for acceptance tests.

Do you have real life examples that use this package?

Here you go:

• Sunny
• WP Cloudflare Guard

Add your own plugin here

It looks awesome. Where can I find some more goodies like this?

• Articles on Typist Tech's blog
• Tang Rufus' WordPress plugins on wp.org
• More projects on Typist Tech's GitHub profile
• Stay tuned on Typist Tech's newsletter
• Follow Tang Rufus' Twitter account
• Hire Tang Rufus to build your next awesome site

Support

Love wp-admin-notices? Help me maintain it, a donation here can help with it.

Why don't you hire me?

Ready to take freelance WordPress jobs. Contact me via the contact form here or, via email [email protected]

Want to help in other way? Want to be a sponsor?

Contact: Tang Rufus

Developing

To setup a developer workable version you should run these commands:

Running the Tests

WP Admin Notices run tests on Codeception and relies wp-browser to provide WordPress integration. Before testing, you have to install WordPress locally and add a codeception.yml file. See Local by Flywheel configuration examples.

Actually run the tests:

We also test all PHP files against PSR-2: Coding Style Guide and part of the WordPress coding standard.

Check the code style with $ composer check-style.

Feedback

Please provide feedback! We want to make this package useful in as many projects as possible. Please submit an issue and point out what you do and don't like, or fork the project and make suggestions. No issue is too small.

Change log

Please see CHANGELOG for more information on what has changed recently.

Security

If you discover any security related issues, please email [email protected] instead of using the issue tracker.

Contributing

Please see CODE_OF_CONDUCT for details.

Credits

WP Admin Notices is a Typist Tech project and maintained by Tang Rufus, freelance developer for hire.

Full list of contributors can be found here.

License

WP Admin Notices is licensed under the GPLv2 (or later) from the Free Software Foundation. Please see License File for more information.