⚡ CYBER NOVEMBER SALE ⚡ 50% off any plan for 6 months, exclusive to new subscribers.

Join the Treehouse affiliate program and earn 25% recurring commission!

  • Treehouse Logo
  • Plans
    Chevron
    • For Individuals
    • For Businesses
    • For Schools
    • For Libraries
    • For Military
  • Library
    Chevron
    • All Courses
    • Tracks
    • College Credit
  • Techdegree
    Chevron
    • Overview
    • Front End Development
    • Full Stack JavaScript
    • Data Analysis
    • UX Design
    • Python
  • Community
    Chevron
    • Code Adventures
    • Discord
    • Forum
    • Success Stories
    • Treehouse Links
    • 100 Days of Code
  • Resources
    Chevron
    • Career Toolbox
    • CodeForward
    • Free Treehouse Near Me
    • Jobs
    • Blog
    • Support
    • About
  • For Individuals For Businesses For Schools For Libraries For Military
  • All Courses Tracks College Credit
  • Overview Front End Web Development Full Stack JavaScript Python Development Data Analysis UX Design
  • Code Adventures Discord Forum Success Stories Treehouse Links 100 Days of Code
  • Career Toolbox CodeForward Free Treehouse Near Me Jobs Blog Support About
  • Sign In
  • Free Trial
Instagram Twitter Facebook YouTube LinkedIn
    • Newest
      • Newest
      • Active
      • Unanswered
      • Featured
    • All Topics
      • All Topics
      • • General Discussion
      • • AI
      • • APIs
      • • Coding for Kids
      • • College Credit
      • • Computer Science
      • • CSS
      • • Data Analysis
      • • Databases
      • • Design
      • • Development Tools
      • • Digital Literacy
      • • Game Development
      • • Go Language
      • • HTML
      • • Java
      • • JavaScript
      • • Learning Resources
      • • Machine Learning
      • • No-Code
      • • PHP
      • • Professional Growth
      • • Python
      • • Quality Assurance
      • • React
      • • Ruby
      • • Security
      • • Swift
      • • Vibe Coding
  • Carla Thomas
    seal-mask
    .a{fill-rule:evenodd;}techdegree
    Carla Thomas
    Front End Web Development Techdegree Student 16,039 Points

    Keep getting.... Bummer! esc_html should be called to sanitize the value of my_plugin_username.

    Posted November 28, 2017 6:26am by Carla Thomas
    .a{fill-rule:evenodd;}techdegree
    Carla Thomas
    Front End Web Development Techdegree Student 16,039 Points
    • WordPress
    • How to Build a WordPress Plugin
    • Building a WordPress Plugin Settings Page
    • Working with Forms in a WordPress Plugin Settings Page

    1 Answer

  • Igor Skoldin
    Igor Skoldin
    6,779 Points

    Why do you sanitize the username field with esc_html?

    Posted July 29, 2016 5:02am by Igor Skoldin
    Igor Skoldin
    6,779 Points
    • WordPress
    • How to Build a WordPress Plugin
    • Building a WordPress Plugin Settings Page
    • Working with Forms in a WordPress Plugin Settings Page

    0 Answers

  • velochicdunord
    velochicdunord
    4,816 Points

    Getting an error regarding "isset"

    Posted May 16, 2016 11:10pm by velochicdunord
    velochicdunord
    4,816 Points
    • WordPress
    • How to Build a WordPress Plugin
    • Building a WordPress Plugin Settings Page
    • Working with Forms in a WordPress Plugin Settings Page

    0 Answers

  • Jerry Schrader
    Jerry Schrader
    4,396 Points

    Undefined variable: wptreehouse_username in...

    Posted January 6, 2016 2:00pm by Jerry Schrader
    Jerry Schrader
    4,396 Points
    • WordPress
    • How to Build a WordPress Plugin
    • Building a WordPress Plugin Settings Page
    • Working with Forms in a WordPress Plugin Settings Page

    3 Answers

  • Caroline Forslund
    seal-mask
    .a{fill-rule:evenodd;}techdegree seal-36
    Caroline Forslund
    Front End Web Development Techdegree Graduate 36,096 Points

    Settings page turns blank when I insert if-statement

    Posted April 23, 2015 7:13am by Caroline Forslund
    .a{fill-rule:evenodd;}techdegree seal-36
    Caroline Forslund
    Front End Web Development Techdegree Graduate 36,096 Points
    • WordPress
    • How to Build a WordPress Plugin
    • Building a WordPress Plugin Settings Page
    • Working with Forms in a WordPress Plugin Settings Page

    1 Answer

  • Bob Sutherton
    Bob Sutherton
    20,160 Points

    Does anyone know what's wrong with this code?

    Posted December 11, 2014 4:40pm by Bob Sutherton
    Bob Sutherton
    20,160 Points
    • WordPress
    • How to Build a WordPress Plugin
    • Building a WordPress Plugin Settings Page
    • Working with Forms in a WordPress Plugin Settings Page

    7 Answers

  • Stephen Huh
    Stephen Huh
    13,395 Points

    What benefits do a hidden field offer in terms of security?

    Posted May 27, 2014 12:23am by Stephen Huh
    Stephen Huh
    13,395 Points
    • WordPress
    • How to Build a WordPress Plugin
    • Building a WordPress Plugin Settings Page
    • Working with Forms in a WordPress Plugin Settings Page

    1 Answer

Posting to the forum is only allowed for members with active accounts.
Please sign in or sign up to post.

    Treehouse

  • About
  • Blog
  • Careers
  • Community
  • Stories
  • Shop
  • Contact
  • Gift Card

See Full Catalogue

Techdegree

  • Front End Web Development
  • Full Stack JavaScript
  • Python Development
  • Data Analysis
  • UX Design

Tracks

  • Learn to Code for Beginners
  • Beginning Python
  • Beginning SQL
  • Beginning Java
  • ...see more

Courses

  • JavaScript Basics
  • Intro to HTML & CSS
  • Python Basics
  • CSS Layout
  • ...see more

Explore

  • Plans
  • Affiliates
  • Perks
  • Free Treehouse Near Me
  • Treehouse for Libraries
  • Treehouse for Businesses
  • Twitter
  • YouTube
  • Facebook
  • LinkedIn
  • Instagram
Terms & Conditions | Privacy

© 2025 Treehouse Island, Inc.