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PHP Web Services

Book Description

Whether you’re sharing data between two internal systems or building an API so users can access their data, this practical book provides everything you need to build web service APIs with PHP. Author Lorna Jane Mitchell uses code samples, real-world examples, and advice based on her extensive experience to guide you through the process—from the underlying theory to methods for making your service robust.

Table of Contents

  1. Preface
    1. Conventions Used in This Book
    2. Using Code Examples
    3. Safari® Books Online
    4. How to Contact Us
  2. 1. Introduction
  3. 2. HTTP
    1. Examining HTTP
      1. Curl
      2. Browser Tools
      3. PHP
  4. 3. Request and Response
    1. Clients and Servers
  5. 4. HTTP Verbs
    1. GET
    2. POST
    3. Other HTTP Verbs
  6. 5. Headers
    1. Request and Response Headers
    2. Common HTTP Headers
      1. User-Agent
      2. Headers for Content Negotiation
      3. Authorization
      4. Custom Headers
  7. 6. Cookies
    1. Cookie Mechanics
    2. Working With Cookies in PHP
  8. 7. JSON
    1. When to Choose JSON
    2. Handling JSON with PHP
    3. JSON in Existing APIs
  9. 8. XML
    1. When To Choose XML
    2. XML in PHP
    3. XML in Existing APIs
  10. 9. RPC and SOAP Services
    1. RPC
    2. SOAP
      1. WSDL
      2. PHP SOAP Client
      3. PHP SOAP Server
      4. Generating a WSDL File from PHP
      5. PHP Client and Server with WSDL
  11. 10. REST
    1. RESTful URLs
    2. Resource Structure and Hypermedia
    3. Data and Media Types
    4. HTTP Features in REST
      1. Create Resources
      2. Read Records
      3. Update Records
      4. Delete Records
    5. Additional Headers in RESTful Services
      1. Authorisation Headers
      2. Caching Headers
    6. RESTful vs Useful
  12. 11. Debugging Web Services
    1. Debug Output
    2. Logging
    3. Debugging From Outside Your Application
      1. Wireshark
      2. Charles Proxy
    4. Finding the Tool for the Job
  13. 12. Making Service Design Decisions
    1. Service Type Decisions
    2. Consider Data Formats
    3. Customisable Experiences
    4. Pick Your Defaults
  14. 13. Building a Robust Service
    1. Consistency is Key
      1. Consistent and Meaningful Naming
      2. Common Validation Rules
      3. Predictable Structures
    2. Making Design Decisions for Robustness
  15. 14. Error Handling in APIs
    1. Output Format
    2. Meaningful Error Messages
    3. What To Do When You See Errors
  16. 15. Documentation
    1. Overview Documentation
    2. API Documentation
    3. Interactive Documentation
    4. Tutorials and the Wider Ecosystem
  17. A. A Guide To Common Status Codes
  18. B. Common HTTP Headers
  19. About the Author
  20. Copyright