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

Join our Live Career-Building Workshop: Fast-Track Your Tech Career Without a Degree! ⭐ Register here!

🌟 Dreaming of a bright future? 🎓 Ask about the Treehouse Scholarship program! 🚀

Curious which AI tools Treehouse developers love? ⚙️ Check them out!

🫡 Treehouse for Military offers discounts to Veterans, service members and their families!

  • Treehouse Logo
  • Plans
    Chevron
    • For Individuals
    • For Businesses
    • For Schools
    • For Libraries
    • For Military
  • Library
    Chevron
    • All Courses
    • Tracks
  • Techdegree
    Chevron
    • Overview
    • Front End Development
    • Full Stack JavaScript
    • Data Analysis
    • UX Design
    • Python
  • Community
    Chevron
    • 100 Days of Code
    • Live Sessions
    • Code Adventures
    • Discord
    • Forum
    • Success Stories
    • Treehouse Links
  • 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
  • Overview Front End Web Development Full Stack JavaScript Python Development Data Analysis UX Design
  • 100 Days of Code Live Sessions Code Adventures Discord Forum Success Stories Treehouse Links
  • 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
      • • 21st Century Skills
      • • AI
      • • Android
      • • APIs
      • • Business
      • • C#
      • • Computer Science
      • • CSS
      • • Data Analysis
      • • Databases
      • • Design
      • • Development Tools
      • • Digital Literacy
      • • Equity, Diversity, and Inclusion (EDI)
      • • Go Language
      • • HTML
      • • Java
      • • JavaScript
      • • Learning Resources
      • • Machine Learning
      • • PHP
      • • Python
      • • Quality Assurance
      • • React
      • • Ruby
      • • Security
  • Ksenia Breitenmoser
    Ksenia Breitenmoser
    20,874 Points

    Getting description from $collection->current(), rather than from $item itself

    Posted June 29, 2020 3:05pm by Ksenia Breitenmoser
    Ksenia Breitenmoser
    20,874 Points
    • PHP
    • Designing Interfaces in PHP
    • Using Interfaces
    • Extending an Interface

    0 Answers

  • Alexei Parphyonov
    Alexei Parphyonov
    34,128 Points

    If You Follow the Code from the Video and It Didn't Work, Here's a Solution

    Posted April 6, 2019 9:47am by Alexei Parphyonov
    Alexei Parphyonov
    34,128 Points
    • PHP
    • Designing Interfaces in PHP
    • Using Interfaces
    • Implementing Interface Methods

    1 Answer

  • Mister Moody
    Mister Moody
    48,333 Points

    Interface Implodes during Testing

    Posted February 14, 2019 12:42am by Mister Moody
    Mister Moody
    48,333 Points
    • PHP
    • Designing Interfaces in PHP
    • Using Interfaces
    • Testing for Interfaces

    1 Answer

  • Jonathan Healy
    Jonathan Healy
    21,601 Points

    Can someone explain why we construct the RepositoryInterface in the Collection class opposed to implementing it?

    Posted December 19, 2018 11:07pm by Jonathan Healy
    Jonathan Healy
    21,601 Points
    • PHP
    • Designing Interfaces in PHP
    • Using Interfaces
    • Code to Multiple Interfaces

    1 Answer

  • annapoff
    annapoff
    13,552 Points

    I can't get this code to run, I'm completely at odds...

    Posted February 21, 2018 4:04pm by annapoff
    annapoff
    13,552 Points
    • PHP
    • Designing Interfaces in PHP
    • Using Interfaces
    • Code to Multiple Interfaces

    1 Answer

  • Jonathan Grieve
    MOD
    Jonathan Grieve
    Treehouse Moderator 91,253 Points

    Have I got these interfaces right?

    Posted January 13, 2018 8:45pm by Jonathan Grieve
    Jonathan Grieve
    Treehouse Moderator 91,253 Points
    • PHP
    • Designing Interfaces in PHP
    • Using Interfaces
    • Extending a Collection

    5 Answers

  • Dipika Purohit
    PLUS
    Dipika Purohit
    Courses Plus Student 20,955 Points

    Add an abstract method named "roster" that accepts 2 optional parameters.

    Posted December 13, 2017 7:30am by Dipika Purohit
    Dipika Purohit
    Courses Plus Student 20,955 Points
    • PHP
    • Designing Interfaces in PHP
    • Using Interfaces
    • Defining Interfaces

    0 Answers

  • Dipika Purohit
    PLUS
    Dipika Purohit
    Courses Plus Student 20,955 Points

    Add an abstract method named "roster" that accepts 2 optional parameters.

    Posted December 13, 2017 7:30am by Dipika Purohit
    Dipika Purohit
    Courses Plus Student 20,955 Points
    • PHP
    • Designing Interfaces in PHP
    • Using Interfaces
    • Defining Interfaces

    2 Answers

  • Dipika Purohit
    PLUS
    Dipika Purohit
    Courses Plus Student 20,955 Points

    Implementing interfaces

    Posted December 5, 2017 4:44pm by Dipika Purohit
    Dipika Purohit
    Courses Plus Student 20,955 Points
    • PHP
    • Designing Interfaces in PHP
    • Using Interfaces
    • Implementing Interfaces

    2 Answers

  • Thi Kim Hong Dinh
    Thi Kim Hong Dinh
    11,238 Points

    Set and retrieve details from interface

    Posted November 27, 2017 4:04am by Thi Kim Hong Dinh
    Thi Kim Hong Dinh
    11,238 Points
    • PHP
    • Designing Interfaces in PHP
    • Using Interfaces
    • Implementing Interfaces

    0 Answers

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

© 2024 Treehouse Island, Inc.