Chapter 8: Working with Exceptions

Chapter Summary: This chapter covers how to use exceptions to handle errors and unexpected behavior. It explains how to throw and catch exceptions, as well as how to use try

(1) Introduction to Exceptions

This chapter introduces and explains what exceptions are and why they are important to understand when working with object-oriented programming in PHP. It covers the basics of how to handle exceptions, what to do when an exception is thrown, and how to create custom exceptions.

(2) Types of Exceptions

This chapter discusses the different types of exceptions that can be encountered when working with OOP PHP such as catchable, throwable, and uncatchable exceptions. It explains the differences between these types of exceptions and how they can be handled.

(3) Exception Handling

This chapter covers the basics of exception handling, including how to use the try-catch block and how to create custom exception handlers. It also covers the different ways to handle exceptions, such as using a logging system or using the error_log() function.

(4) Error Reporting

This chapter covers how to configure error reporting in PHP, including how to enable error reporting and how to customize the level of reporting. It also covers how to create custom error handlers and how to create custom error messages.

(5) Debugging Exceptions

This chapter covers how to debug exceptions in order to identify and locate the source of an error. It covers techniques such as using the backtrace, running tests, and using the xdebug extension.

(6) Extending Exceptions

This chapter covers how to extend existing exceptions in order to create custom ones. It explains how to create custom exception classes and how to implement custom exception handling logic.

(7) Exception Hierarchy

This chapter covers the exception hierarchy and how it is used in OOP PHP. It explains how to use the hierarchy to create custom exception classes and how to use the hierarchy to route exceptions based on their type.

(8) Exception Logging

This chapter covers how to log exceptions in order to track and monitor errors. It explains how to use the logging system and how to customize the log format.

(9) Exception Catching

This chapter covers how to catch exceptions in order to handle them properly. It explains how to use the “catch” block and how to create custom exception handlers.

(10) The Exception Class

This chapter covers the Exception class and how it is used in OOP PHP. It explains how to use the Exception class to create custom exceptions and how to use the Exception class to route exceptions based on their type.

(11) Creating Custom Exceptions

This chapter covers how to create custom exceptions in order to handle errors and exceptions. It explains how to create custom exception classes and how to implement custom exception handling logic.

(12) Exception Inheritance

This chapter covers the concept of exception inheritance and how it is used in OOP PHP. It explains how to use inheritance to create custom exceptions and how to use inheritance to route exceptions based on their type.

(13) Testing and Debugging Exceptions

This chapter covers techniques for testing and debugging exceptions in order to identify and locate the source of an error. It covers techniques such as using the backtrace, running tests, and using the xdebug extension.

(14) Exception Strategies

This chapter covers various strategies for dealing with exceptions in OOP PHP, such as using try-catch blocks, using the error_log() function, and using a logging system. It also discusses how to create custom error handlers and how to create custom error messages.

(15) Summary and Conclusion

This chapter summarizes the topics covered in this chapter and provides a conclusion. It explains the importance of exceptions in OOP PHP and how to use them to create powerful applications. It also serves as a reminder to always be aware of the types of exceptions that can be encountered and how to handle them.