Exceptions and How to Handle Them
Explore how to handle errors in PHP using exception handling within object-oriented programming. Learn to throw and catch exceptions to manage invalid data inputs gracefully and provide custom error messages, improving program reliability and user experience.
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Exception handling is an elegant way to handle errors beyond the program’s scope. For example, if our application fails to contact the database, we use exception handling to contact another data source or to provide instructions to the users that they need to contact technical support.
To better understand exception handling and why it’s useful, let’s see what happens when a program is fed faulty data.
In our example, we’ll develop the FuelEconomy class that calculates fuel efficiency of cars. The calculate() method divides the distance ...