What are the best practices for combining Try-Catch blocks, custom error handlers, and exceptions in PHP to create a robust error handling system in a class library?

When creating a class library in PHP, it is important to implement a robust error handling system to handle exceptions and errors effectively. This can be achieved by combining Try-Catch blocks to catch exceptions, custom error handlers to manage errors, and throwing exceptions when necessary. By using these techniques together, you can create a reliable error handling mechanism in your class library. 

class CustomError extends Exception {}

set_error_handler(function($errno, $errstr, $errfile, $errline) {
    throw new CustomError($errstr, $errno);
});

try {
    // Your code that may throw exceptions or errors
} catch (CustomError $e) {
    echo 'Custom Error: ' . $e->getMessage();
} catch (Exception $e) {
    echo 'Exception: ' . $e->getMessage();
}

Keywords

Try-Catch blocks custom error handlers exceptions PHP error handling

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