Title: Debug "unexpected output" During Plugin Activation
Author: David Wells
Published: <strong>September 25, 2013</strong>
Last modified: December 12, 2013

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# debug-plugin-activation-errors

 By [David Wells](https://profiles.wordpress.org/davidwells/)

 * [Details](https://wordpress.org/plugins/debug-plugin-activation-errors/#description)
 * [Reviews](https://wordpress.org/plugins/debug-plugin-activation-errors/#reviews)
 * [Development](https://wordpress.org/plugins/debug-plugin-activation-errors/#developers)

 [Support](https://wordpress.org/support/plugin/debug-plugin-activation-errors/)

## Description

This plugin has been closed as of December 10, 2022 and is not available for download.
Reason: Guideline Violation.

## Reviews

![](https://secure.gravatar.com/avatar/59d0409ec33ce2c4c52789e291ec23d7586abc8ae05869898fd4c5ea12f4dacb?
s=60&d=retro&r=g)

### 󠀁[Thx!](https://wordpress.org/support/topic/thx-85/)󠁿

 [c01nd01r](https://profiles.wordpress.org/c01nd01r/) April 22, 2020

Thx!

![](https://secure.gravatar.com/avatar/0e77ec6d742fb1a51d03f0bd0bdc545cc39545bbba35b3fe93c3e1843aebc112?
s=60&d=retro&r=g)

### 󠀁[So Simple, So Useful!](https://wordpress.org/support/topic/so-simple-so-useful-5/)󠁿

 [Joe](https://profiles.wordpress.org/morehawes/) November 15, 2018

This plugin is a *must* when developing a plugin in order to debug those “unexpected
output” error messages. Thanks! Joe

![](https://secure.gravatar.com/avatar/8b04a02a5ee9a161d607a3ebc439d0c75804bda5343f7e082d5f18af22fb66ce?
s=60&d=retro&r=g)

### 󠀁[Still works great!](https://wordpress.org/support/topic/still-works-great-24/)󠁿

 [disinfor](https://profiles.wordpress.org/disinfor/) January 29, 2018

Despite not being updated, this plugin still works fantastic. I had a Class that
was returning extra characters and no matter what debugging I tried, couldn’t get
the output. Installed this plugin and BOOM! Got the errors that were giving me extra
output. Thanks!

![](https://secure.gravatar.com/avatar/eb6e9b24fd3d0a99bb26af36f7802e719ebc9a7f7950c8c06723c33465803feb?
s=60&d=retro&r=g)

### 󠀁[Life saver](https://wordpress.org/support/topic/life-saver-175/)󠁿

 [yehudaT](https://profiles.wordpress.org/yehudat/) September 16, 2017

This plugin saved me a lot of time while developing my own plugins. Thank you

![](https://secure.gravatar.com/avatar/eb09bb2b0ddef8200a0e314a5c8c967c4756c0f163a2fbfa91ead482af71a2ee?
s=60&d=retro&r=g)

### 󠀁[Does exactly what it says](https://wordpress.org/support/topic/does-exactly-what-it-says-135/)󠁿

 [taketheleap](https://profiles.wordpress.org/taketheleap/) March 31, 2017

Does what it says. Saved me from my own extra output (because I added a “print_r”
like an idiot.)

![](https://secure.gravatar.com/avatar/b55d7f754ee30df2b3f35108b29b6a34e0286e056e080fd2e8a85ac8e4a75c29?
s=60&d=retro&r=g)

### 󠀁[Thanks 🙂](https://wordpress.org/support/topic/thanks-1041/)󠁿

 [squigglybob](https://profiles.wordpress.org/squigglbob/) September 3, 2016

Thanks a million mate! How can you solve where 2 million extra characters are coming
from without a plugin like this one?? Helps you see what’s going on in order to 
remove those annoying bugs!

 [ Read all 39 reviews ](https://wordpress.org/support/plugin/debug-plugin-activation-errors/reviews/)

## Contributors & Developers

“Debug "unexpected output" During Plugin Activation” is open source software. The
following people have contributed to this plugin.

Contributors

 *   [ David Wells ](https://profiles.wordpress.org/davidwells/)

[Translate “Debug "unexpected output" During Plugin Activation” into your language.](https://translate.wordpress.org/projects/wp-plugins/debug-plugin-activation-errors)

### Interested in development?

[Browse the code](https://plugins.trac.wordpress.org/browser/debug-plugin-activation-errors/),
check out the [SVN repository](https://plugins.svn.wordpress.org/debug-plugin-activation-errors/),
or subscribe to the [development log](https://plugins.trac.wordpress.org/log/debug-plugin-activation-errors/)
by [RSS](https://plugins.trac.wordpress.org/log/debug-plugin-activation-errors/?limit=100&mode=stop_on_copy&format=rss).

## Meta

 *  Version **1.9.1**
 *  Last updated **12 years ago**
 *  Active installations **N/A**
 *  WordPress version ** 3.5 or higher **
 *  Tested up to **3.6.1**
 *  [Advanced View](https://wordpress.org/plugins/debug-plugin-activation-errors/advanced/)