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

New No-Code Track! 🚀start learning today!

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

✨ Earn college credits in Cybersecurity, JS, HTML, CSS and Python

  • 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
      • • Android
      • • 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
  • Adebayo Ojo
    Adebayo Ojo
    23,661 Points

    Database input sanitization

    Posted October 3, 2020 11:33am by Adebayo Ojo
    Adebayo Ojo
    23,661 Points
    • PHP
    • Introduction to User Authentication in PHP
    • Setting Up Authorization
    • Update Voting System

    2 Answers

  • Josh O.
    Josh O.
    2,370 Points

    Return a Value??

    Posted June 10, 2020 6:54pm by Josh O.
    Josh O.
    2,370 Points
    • PHP
    • Introduction to User Authentication in PHP
    • Setting Up Authorization
    • Password Hashing

    0 Answers

  • jakubhirner
    jakubhirner
    14,784 Points

    Security issue?

    Posted May 28, 2020 8:55am by jakubhirner
    jakubhirner
    14,784 Points
    • PHP
    • Introduction to User Authentication in PHP
    • Setting Up Authorization
    • Adding Authorization Checks

    0 Answers

  • Ronald Greer
    seal-mask
    .a{fill-rule:evenodd;}techdegree seal-36
    Ronald Greer
    Front End Web Development Techdegree Graduate 56,430 Points

    still getting bummer:(

    Posted April 23, 2020 6:27pm by Ronald Greer
    .a{fill-rule:evenodd;}techdegree seal-36
    Ronald Greer
    Front End Web Development Techdegree Graduate 56,430 Points
    • PHP
    • Introduction to User Authentication in PHP
    • Setting Up Authorization
    • Password Hashing

    1 Answer

  • Tamara McDiarmid
    Tamara McDiarmid
    4,351 Points

    php login

    Posted January 2, 2020 10:24pm by Tamara McDiarmid
    Tamara McDiarmid
    4,351 Points
    • PHP
    • Introduction to User Authentication in PHP
    • Setting Up Authorization
    • Password Hashing

    0 Answers

  • David Curran
    David Curran
    7,682 Points

    Update Voting System By Alena Holligan

    Posted June 19, 2019 3:24pm by David Curran
    David Curran
    7,682 Points
    • PHP
    • Introduction to User Authentication in PHP
    • Setting Up Authorization
    • Update Voting System

    3 Answers

  • Jonathan Grieve
    MOD
    Jonathan Grieve
    Treehouse Moderator 91,254 Points

    Missing function getUserVote()

    Posted June 13, 2019 11:15am by Jonathan Grieve
    Jonathan Grieve
    Treehouse Moderator 91,254 Points
    • PHP
    • Introduction to User Authentication in PHP
    • Setting Up Authorization
    • Update Voting System

    0 Answers

  • Jonathan Grieve
    MOD
    Jonathan Grieve
    Treehouse Moderator 91,254 Points

    Code challenge: Return a hashed password

    Posted June 7, 2019 11:21am by Jonathan Grieve
    Jonathan Grieve
    Treehouse Moderator 91,254 Points
    • PHP
    • Introduction to User Authentication in PHP
    • Setting Up Authorization
    • Password Hashing

    1 Answer

  • lukej
    lukej
    34,222 Points

    What is the difference between `header()` and `redirect()`

    Posted March 13, 2019 7:27pm by lukej
    lukej
    34,222 Points
    • PHP
    • Introduction to User Authentication in PHP
    • Setting Up Authorization
    • Creating Helper Functions

    2 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
  • Affiliates
  • Perks
  • Free Treehouse Near Me
  • Treehouse for Libraries
  • Treehouse for Businesses
  • Twitter
  • YouTube
  • Facebook
  • LinkedIn
  • Instagram
Terms & Conditions | Privacy

© 2025 Treehouse Island, Inc.