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When developing themes or plugins for a WordPress multisite network, there are a few things to consider that are slightly different from developing for a single site WordPress install.

In this lesson, you'll discover some differences to consider, and how to ensure your plugins and themes are supported for multisite.
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View this video and others on WordPress.TV: https://wordpress.tv/2024/05/11/building-plugins-and-themes-that-support-multisite/

0:00 Introduction
0:18 Developing themes and child themes
5:04 Developing plugins

Building plugins and themes that support multisite

WordPress core includes a set of functions and hooks that control certain aspects of the network, or individual sites on the network.

In this lesson, you'll learn about multisite specific function naming conventions to be aware of, and then dive into some useful multisite specific functions and hooks you can use. Finally, you'll learn about developing for individual sites in a network, as well as were to go for more information about multisite functions and hooks.
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View this video and others on WordPress.TV: https://wordpress.tv/2024/05/11/developing-for-a-multisite-network/

0:00 Introduction
1:08 Useful functions
5:24 Useful hooks
6:18 Developing for individual sites in a network
7:00 Further reading

Developing for a multisite network

With the basics of managing a multisite network under your belt, it's time to look at some more advanced multisite management tasks.

Let's dive into the different possible site statuses, what happens when you delete a site, how to export a single site from a multisite network to its own install, and how to convert a multisite network install back to a single site install.
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View this video and others on WordPress.TV: https://wordpress.tv/2024/05/11/advanced-multisite-management-2/

0:00 Introduction
0:25 Site Status
1:21 Deleting a site from the network
1:42 Export a site to a single site install
4:35 Convert a Multisite back to a single site install
6:21 Further reading.

Advanced multisite management

Managing a WordPress Multisite network is slightly different from managing a single site WordPress install.

In this lesson, you're going to learn how to manage a WordPress multisite network.

You will learn about the Network Admin dashboard, and the options available in the Network Settings page, as well as different ways to create and manage sub-sites on the network.
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View this video and others on WordPress.TV: https://wordpress.tv/2024/05/11/managing-a-wordpress-multisite-network-2/

0:00 Introduction
0:23 The Network Admin dashboard
0:52 The Network Settings page
1:54 Create a site
3:27 Assign a top-level domain to a site
4:08 Allow users to register their own sites
5:11 Further reading.

Managing a WordPress multisite network

A WordPress multisite network is a way to host multiple WordPress sites on a single WordPress installation.

In this lesson, you will learn more about WordPress multisite, why you would consider setting up a multisite network, and the steps to follow to create one.
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View this video and others on WordPress.TV: https://wordpress.tv/2024/05/11/setting-up-a-wordpress-multisite-network/

0:00 Introduction
0:19 What is a WordPress multisite network?
1:27 Why use a WordPress multisite network?
2:08 Multisite network support
3:14 How to create a multisite network
4:14 Enable Multisite
4:59 Installing the Network
5:52 Enable the Network
7:07 Further reading

Setting up a WordPress multisite network

In order to get started on internationalizing your code, you need to understand the functions that WordPress provides to help you with this process.

In this lesson, you will learn about the most commonly used internationalization functions in WordPress, and how to use them in your code.
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View this video and others on WordPress.TV: https://wordpress.tv/2024/05/11/the-commonly-used-internationalization-functions/

0:00 Introduction
0:18 How to internationalize your code
7:45 Internationalization functions in block development
8:01 Further reading

The commonly used Internationalization functions

Internationalization is the process of developing software in a way that it can easily be translated into other languages without any changes to the source code.

Let's learn what internationalization is in the context of WordPress, why it is important, and learn where to find more information on how to implement it in your WordPress development.
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View this video and others on WordPress.TV: https://wordpress.tv/2024/05/11/what-is-internationalization/

0:00 Introduction
0:21 What is Internationalization?
2:37 What Internationalization is not
3:07 Where to find more information

What is Internationalization?

A short introduction to developing with a security mindset, covering the most common principles to consider when writing code.
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View this video and others on WordPress.TV: https://wordpress.tv/2024/05/11/securely-developing-plugins-and-themes/

0:00 Introduction
0:25 Disclaimer
1:04 What is developing with security in mind?
2:12 Where does security fit in the development process?
2:33 Sanitizing inputs
4:06 Validating Data
6:18 Escaping outputs
7:50 Preventing invalid requests
11:36 Preventing unauthenticated users
13:17 Further reading

Securely developing plugins and themes

In this lesson, you'll learn about some tools available to test your code for security vulnerabilities, and a brief introduction on how to use them.

You will also learn where to find more information about critical security risks to web applications.
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View this video and others on WordPress.TV: https://wordpress.tv/2024/05/11/tools-to-detect-security-vulnerabilities/

0:00 Introduction
0:24 Plugins
1:42 Command line
4:06 Code Editor
5:00 OWASP

Tools to detect security vulnerabilities

A more "real world" example of fixing common vulnerabilities, covering SQL Injection, Cross Site Scripting, Cross-site Request Forgery, Broken Access Control, and Open Redirects
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View this video and others on WordPress.TV: https://wordpress.tv/2024/05/11/fixing-common-security-vulnerabilities/

0:00 Introduction
0:19 The badly coded form submission plugin
2:26 SQL Injection
XSS Cross Site Scripting
CSRF Cross-site Request Forgery
8:36 Broken Access Control
9:51 Bonus round - Open Redirect
10:18 Further reading

Fixing common security vulnerabilities

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