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Overview
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4.5 Validating Uploads

In this final lesson on developing our plugin, we implement the following:

When users attempt to upload a non-MP3 file, the file is rejected.
If an error message is displayed, we make sure it’s themed natively with the dashboard.
When there’s an invalid file, we won’t display the link on the single post page.

Once that's all done, we'll review all of the source code for our plugin.

1.Introduction
1 lesson, 05:50

1.1
About This Course
05:50

2.Our Local Development Environment
2 lessons, 17:23

2.1
Prepare Our Environment
07:04

2.2
Configuring Our Development Environment
10:19

3.A Survey of WordPress Meta Boxes
2 lessons, 15:29

3.1
Understanding Meta Boxes
06:16

3.2
Our First Meta Box
09:13

4.Building Our Custom Meta Box
5 lessons, 49:09

4.1
Planning Features
08:25

4.2
Introducing The UI (Part 1)
08:00

4.3
Introducing The UI (Part 2)
14:55

4.4
Introducing The UI (Part 3)
11:05

4.5
Validating Uploads
06:44

5.Conclusion
1 lesson, 03:37

5.1
Conclusion
03:37

Tom McFarlin

Tom is a self-employed developer who loves writing, building, and sharing WordPress-based projects. He runs Pressware where he provides WordPress goods and services. You can follow him on Twitter.

tommcfarlin

Working With Meta Boxes in WordPress

Next lesson playing in 5 seconds

4.5 Validating Uploads

1.Introduction1 lesson, 05:50

2.Our Local Development Environment2 lessons, 17:23

3.A Survey of WordPress Meta Boxes2 lessons, 15:29

4.Building Our Custom Meta Box5 lessons, 49:09

5.Conclusion1 lesson, 03:37

1.Introduction
1 lesson, 05:50

2.Our Local Development Environment
2 lessons, 17:23

3.A Survey of WordPress Meta Boxes
2 lessons, 15:29

4.Building Our Custom Meta Box
5 lessons, 49:09

5.Conclusion
1 lesson, 03:37