i.e. If you need more control, you should be writing a CGI or FCGI anyway. That said, I develop a (large) project in Python, and agree that the changes between major version (eg 3.7 -> 3.8) is still too large sometimes. following in the spirit of python and breaking all old code? Given the dynamically typed nature of PHP, there are lots of cases where union types can be useful. Take the example of ORMs, they often implement caches which hold references to entity classes to improve the performance of relations between entities. I refuse to learn it as I will be fired before I figured out how it works. I admit to being an idiot and a mediocre programmer (at best), but this sounds like a *terrible* idea. I had to replace PEAR HTML_Form by FORMR. It's possible that this change might reveal errors that again were hidden before PHP 8. However, with the introductions of new features, it sometimes breaks old programs. It works the same way as get_class(). The current stable version available for PHP is 7.3.8. You can read all about the nullsafe operator here. Microsoft has been providing support for the development and building of … Furthermore, the use of final private function also didn't make sense, so doing so will now trigger a warning: Built upon the weakrefs RFC that was added in PHP 7.4, a WeakMap implementation is added in PHP 8. This doesn't make sense, since private methods won't be accessible by child classes. Same here. Someone somewhere decided that if PHP was going to become popular then it would have to support all the OO shit that is a waste of time for 90% of the projects out there. Breaking ones. The Stringable interface can be used to type hint anything that implements __toString(). Most shared hosting providers are currently offering PHP version 7.0.+ installed on their servers. Is your plugin ready for PHP 8? Same with frameworks. Ever. PHP4 to PHP5 wasn't much trauma, though. 3. Don't forget that this graph is no longer true as of 8.0. One example is a MySQL connection, another one a file handle. Besides breaking changes, PHP 8 also brings a nice set of new features such as the JIT compiler, union types, attributes, and more. years delay! Honestly, can someone explain why this is needed or why it's a "good" feature? 12/14/2020; 3 minutes to read; g; s; In this article. Meanwhile I can finish what I need outside a cms framework in a more modern language. IIRC that was an experiment that only lasted a couple of years anyway. We're expecting a type that can't be type hinted in PHP, Undefined array index: warning instead of notice. PHP 8 Crash Course | All Breaking Changes | PHP 8 in 1 Hour | PHP 8 Bangla Tutorial java! from Perl 4 to Perl 5 (yes, that reveals my age), with the switch from PHP 4 to PHP 5 and I even made a half hearted effort to switch from PHP5 to PHP7. However, its incessant change, and ever more people abandoning the language have severely curtailed its usefulness. In no other language am I able to get a prototype website with something I want to try or show up and running in like one hour. Choose one. Surely, it is better to explicitly convert the string to a number first, which makes the intention clear, and catches typos rather than just doing odd things. Pretty much any language not rejected by practice and history has had this in one form or another (unions, algebraic sum types, subclassing, interfaces, etc. — how modern PHP versions are managed, Attributes in PHP 8 Everything is in the "frameworks": Symfony, laravel, Zend and alike. You should, when joining a new project or movement, come up with a new "library" or amalgamation of the routines which you feel are most useful for that team or movement. Why would you want to compare numbers and strings implicitly? However, you can use it for other purposes as well.… Nothing too big, though. How is it a terrible name? Given PHP's dynamically typed nature, it's a feature that will be useful to many developers. Each one of those resources gets assigned an ID, though previously the only way to know that id was to cast the resource to int: PHP 8 adds the get_resource_id() functions, making this operation more obvious and type-safe: Traits can specify abstract methods which must be implemented by the classes using them. The previous code actually changes the value of the defined constant, which is not a behaviour that we want. BZ2: Fixed bug #71263 (fread() does not report bzip2.decompress errors). Note that void can never be part of a union type, since it indicates "no return value at all". CLI: Allow debug server binding to an ephemeral port via `-S localhost:0`. The description you quoted is a poor description. get_debug_type() returns more useful output for arrays, strings, anonymous classes and objects. Currently you need to use () to avoid ambiguous associativity. But as with semantic versioning states, there can be no breaking changes in major versions with the semantic versioning patch (major.minor.patch). No, that chart is now blissfully obsolete. The best part is that all the errors will only appear at runtime (or should that be called "funtime" from now on?). Changes lexing of remaining tokens is related to forward compatibility. There's a very good argument to make for it though: a missing type can mean lots of things in PHP: Because of the reasons above, it's a good thing the mixed type is added. Cannot assign an empty string to a string offset: Supplied resource is not a valid stream resource. Error prone and hard work C++? At least Python 2.7 is pretty stable, as of about 2.7.9 or so which made things nice for a while since you could just write against Python 2.7 and things would generally work. Specific usages of Attributes in PHP 8 can lead to code that compiles very differently on PHP 7 but still runs. Comments owned by the poster. > major version backwards compatibility is one place they have done a great job. As of the publish date of this post, version 8.0 RC5 has been released, and the final release of PHP 8.0.0 is scheduled for November 26, 2020.. As the expected changes in PHP 8 were made known earlier this year, WordPress Core contributors Core Contributors Core contributors are those who have worked on a release of … And don't worry, all these deprecations are listed in this post. PHP 5.6 - Changed the default value for the character-set parameter to the value of the default charset (in configuration). Furthermore, nullable unions can be written using |null, or by using the existing ? Either way, there will be changes. Not to mention the v2 vs v3 Python shenanigans. Since that seems to be the only explanation for not seeing this as a good feature to have. But unlike a strongly types language, these Python3 versions just fail silently, insidiously, without any hint or warning the code isn't doing what you might expect. The following warnings were changed. There will be various differences in PHP 7.3: The possibility to define the third parameter as TRUE has been deprecated and will be definitely removed in version 8.0.0; I understand you might have an enormous amount of experience and really know what. Whenever a class implements __toString(), it automatically implements the interface behind the scenes and there's no need to manually implement it. Union types are a collection of two or more types which indicate that either one of those can be used. Instead of specifying class properties and a constructor for them, PHP can now combine them into one. Don't get me wrong. COM: Fixed bug #55847 (DOTNET .NET 4.0 GAC new location). With each new version, my old scripts were broken. This is not a case of making obviously incorrect code that could never worked fail, it actually turns perfectly clear and working code into bugs. In PHP 8 change … Anyone who adopted PHP4 and their stuff broke in PHP5 clearly did not know how to write code well, because it was obvious 4 was garbage even for PHP lovers. Conclusion. But have a thought for your compatriots in Python land. PHP 8's JIT compiler can provide substantial performance improvements for some use cases. A few reflection methods have been deprecated: You should now use ReflectionType to get information about a parameter's type: If the type is a single type, ReflectionParameter::getType() returns an instance of ReflectionNamedType, which you can get its name from and whether it's built-in: If the type is a union type however, you'll get an instance of ReflectionUnionType, which can give you an array of ReflectionNamedType like so: Checking whether a type is a union or not can be done with an instanceof check: Next up, three method signatures of reflection classes have been changed: The upgrading guide specifies that if you extend these classes, and still want to support both PHP 7 and PHP 8, the following signatures are allowed: Before PHP 8, sorting algorithms were unstable. That's the common-sense kneejerk reaction of someone with little experience in the matter. Trying to transform PHP in a Object Oriented Language was the dumbest thing I've ever seen. 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