Webinar Darkmira PHParty7 France - Slides du lightning talk sur les nouveautés PHP7 concernant les erreurs et exceptions

1. Errors handling
Webinar PHParty7 France - 28/11/15

2. Errors VS Exceptions

3. Errors VS Exceptions
E_ERROR, E_WARNING, E_PARSE, E_NOTICE, ...
Errors

4. Errors VS Exceptions
Exception, RuntimeException,
ErrorException, ...
Exceptions

5. Actual Exception hierarchy

6. Actual Exception hierarchy

7. Error & Exception handling
Error handling
Exception handling
set_error_handler(function ($errno, $errstr, $errfile, $errline) {
echo "Error $errstr at line $errline";
});
try {
mayThrowException();
} catch (Exception $e) {
echo 'Exception: '.$e->getMessage();
}

8. Fatal Errors
● Fatal errors cannot be gracefully handled
● Error handler is not called
● Finally block will not be invoked
● Destructors are not called

9. PHP7 Exceptions

10. PHP7 Exceptions

11. Error & Exception handling
Errors and fatal errors handling
try {
inexistant_function();
} catch (Error $e) {
echo 'Error: '.$e->getMessage();
}
// PHP5:
// Fatal error: Call to undefined function
// inexistant_function() in …
// PHP7:
// Error: Call to undefined function inexistant_function()

12. Bibliography
RFC for EngineException: https://wiki.php.net/rfc/engine_exceptions_for_php7
Reviewed RFC about Throwable: https://wiki.php.net/rfc/throwable-interface
Article about PHP7 Throwable and Errors: https://trowski.com/2015/06/24/throwable-exceptions-and-errors-
in-php7/
Stackoverflow, Errors VS Exception:http://stackoverflow.com/questions/…