Plugin Inspector


The Plugin Inspector plugin is an easy way to check plugins installed on your WordPress and make sure that plugins do not use deprecated WordPress functions and some unsafe functions like eval, base64_decode, system, exec, etc. Some of those functions may be used to load malicious code (malware) from the external source directly to the site or WordPress database.


  • Scans plugins for deprecated WordPress functions
  • Scans plugins for unsafe functions like eval, base64_decode, system, exec, etc.
  • Checks plugins to find vulnerabilities listed in WPScan Vulnerability Database
  • Beautiful source code viewer with highlighting

Plugin Inspector allows you to view all the deprecated functions complete with path, line number, deprecation function name, and the new recommended function to use. The checks are run through a simple admin page and all results are displayed at once. This is very handy for plugin developers or anybody who want to know more about installed plugins.

All code that uses the deprecated functions should be converted to use its replacement if one exists. Because deprecated functions are no longer supported may be removed from future versions of WordPress.

To check the theme files, please, use Theme Check plugin.

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  • Plugin Inspector is scanning files and looking for deprecated and unsafe function
  • Beautiful source code viewer with highlighted issues


  1. Upload the Plugin Inspector folder to the plugins directory in your WordPress installation.
  2. Activate the plugin through the WordPress admin interface.


What PHP functions Plugin Inspector treats as unsafe?

Generally, most of those functions are safe, but under certain circumstances those functions may be used to hack site or to load and execute malicious code (malware). This list is not full and will be constantly updating. Any suggestions are welcome.

  • eval
  • system
  • base64_decode
  • shell_exec
  • exec
  • assert
  • passthru
  • pcntl_exec
  • proc_open
  • popen
  • dl
  • create_function
  • call_user_func
  • call_user_func_array
  • file_get_contents
  • socket_create
  • curl_exec
  • wp_remote_request
  • wp_remote_get
  • wp_remote_post
  • wp_safe_remote_post
  • wp_remote_head


Perfect plugin for plugin developers

This is perfect for plugins developers, I love it! Easy to use and scans fast the plugins. I like that you can scan one plugin at a time, other plugins like this were scanning all plugins at the same time. And you can click on the warning and you are taken to the source file! Thanks for this very useful plugin!


Every plugin developer should be using this.

Thankyou Gioni.

Nice Plugin

Thank you very much for developing this plugin and keeping it up-to date.

Thankful to your efforts and time.

Great plugin

Very useful for plugin developers to run a quick check of their code throughout development.

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Bijdragers & ontwikkelaars

“Plugin Inspector” is open source software. De volgende personen hebben bijgedragen aan deze plugin.


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  • Added cool and convenient code viewer to view found issues in the PHP code.
  • Code optimization


  • InitiĆ«le versie