In Python a step from 3.8.1 to 3.8.2 can break your whole world. If you want to know more about what the JIT can do for PHP, you can read another post I wrote about it here. Just-in-time compilation is supported in PHP 8. Everything is in the "frameworks": Symfony, laravel, Zend and alike. It seems to be an issue of php. If you don't want incessant change then Python is not the language for you. Since the 1990s, PHP has been one of the strongest languages for server-side programming. I understand you might have an enormous amount of experience and really know what. Trying to transform PHP in a Object Oriented Language was the dumbest thing I've ever seen. PHP 5.6 - Changed the default value for the character-set parameter to the value of the default charset (in configuration). The thing about objec models and frameworks, similar to most C libraries in the 80's and 90's (showing my age again), is that they require you to adopt the world view and perspective of the author, which is often ill-suited to your project. 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 … PHP 8.0 Brings Major (And Breaking) Changes to a 25-Year-Old Language The only major problem with Python remains the problem of the GIL lock and the memory management which is not thread safe. This doesn't make sense, since private methods won't be accessible by child classes. But as with semantic versioning states, there can be no breaking changes in major versions with the semantic versioning patch (major.minor.patch). No problem you think, I'll just write: x =b'/a/filename'; if x[0] ==b '/': y = 1 but no, you've just fallen into the next trap, an indexing into bytes does not return a byte, it returns an int and so the if test now always fails, as does a lot of code that used to work and would be perfectly valid in most other languages, even strongly types ones. I get freakin' mad when people start whining about shortcomings of this and that. 7.4.0-cli-buster, 7.4-cli-buster, 7-cli-buster, cli-buster, 7.4.0-buster, 7.4-buster, 7-buster, buster, 7.4.0-cli, 7.4-cli, 7-cli, cli, 7.4.0, 7.4, 7, latest Deprecations. From the RFC: "the Uniform Variable Syntax RFC resolved a number of inconsistencies in PHP's variable syntax. I admit to being an idiot and a mediocre programmer (at best), but this sounds like a *terrible* idea. Often times, the changes required that break BC are a result of earlier mistakes that are now being corrected after years of warnings. That's a 5(!!!) Breaking changes in .NET 5.0. I've been traumatized by switching 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. 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. For example, calling gettype() on a class \Foo\Bar would return object. If you want to catch all exceptions and errors, you can use Throwable as the catching type. PHP 7.3.0 Required. Perl 5, just nope; went Ruby instead. With each new version, my old scripts were broken. Many of its packages do not work with PHP5, even more of them were broken by PHP7. It is incorrect to do it the other way around and have your team/project adopt the world view of the library/framework. The following warnings were changed. UTF-8 encoding breaks when upgrading PHP 5.6 to PHP 7.0. Cannot add element to the array as the next element is already occupied: Cannot unset offset in a non-array variable: Array to string conversion: warning instead of notice, Resource ID#%d used as offset, casting to integer (%d): warning instead of notice, String offset cast occurred: warning instead of notice, Uninitialized string offset: %d: warning instead of notice. It not only runs the scenes behind WordPress but is also a part of Facebook and other popular sites. Target Audience. Union types are a collection of two or more types which indicate that either one of those can be used. In Python2 x = Or changing default behavior on openssl libraries. Windows mainly .Net? PHP4 to PHP5 wasn't much trauma, though. COM: Fixed bug #55847 (DOTNET .NET 4.0 GAC new location). And yet people keep bitching about C++ maintaining a high level of compatibility. No, that chart is now blissfully obsolete. It's now allowed in PHP 8, meaning you can do the following: As a sidenote: trailing commas are also supported in the use list of closures, this was an oversight and now added via a separate RFC. This may break HTML output if you try to set a different charset in your HTML head. This has permitted many improvements to the language which were previously impossible due to limitations in the parser used in earlier versions of PHP, but has resulted in the removal of a few special cases for consistency reasons, which has resulted in backward compatibility breaks. In other words: private methods should follow the same method signature rules as protected and public methods. It seems not to be an issue of Laravel. PHP 5.4 - Added ENT_SUBSTITUTE, ENT_DISALLOWED, ENT_HTML401, ENT_HTML5, ENT_XML1 and ENT_XHTML PHP 5.3 - Added ENT_IGNORE constant. It's a new major version, which means that it will introduce some breaking changes, as well as lots of new features and performance improvements. One example is a MySQL connection, another one a file handle. Strings in Python3 must be valid Unicode sequences, and as it happens not all 'nix file names are valid Unicode, so you really have to represent them as bytes even though it isn't necessary in this case. It was released on November 26, 2020. Newsletter — From the RFC: The current default error mode for PDO is silent. I've written a book that teaches all about modern PHP development and PHP 8. Do you think it's good general advice for developers out there to roll their own encryption packages as well? Backward Incompatible Changes: 2. — how modern PHP versions are managed, Attributes in PHP 8 While it was already possible to return self, static wasn't a valid return type until PHP 8. > major version backwards compatibility is one place they have done a great job. If you've kept up to date with the latest releases though, the upgrade shouldn't be too hard, since most breaking changes were deprecated before in the 7. You can read up on the match expression in detail, over here. Yup, same here. Meanwhile I can finish what I need outside a cms framework in a more modern language. It defies a union of two types. 3. The Stringable interface can be used to type hint anything that implements __toString(). « Breaking changes in 6.6 Breaking changes in 6.8 » Breaking changes in 6.7 edit This section discusses the changes that you need to be aware of when … Whenever you wanted to catch an exception before PHP 8, you had to store it in a variable, regardless whether you used that variable or not. The RFC is here: https://wiki.php.net/rfc/union... [php.net], The short version is that they make APIs easier to use. It is easy to deploy. New Features: 3. What this is sounding like to me is that instead of using one of n frameworks, I'm going to build my own, every time I'm a part of a new project or movement. With each new version, my old scripts were broken. This I have a hard time understanding. Never? Also note that since mixed already includes null, it's not allowed to make it nullable. It is braindead simple with the superglobal $_POST vars and such. If you're familiar with the null coalescing operator you're already familiar with its shortcomings: it doesn't work on method calls. i.e. I've been using PHP since the first public release in the mid 90's (yes, that reveals my age), and I skipped over the "object model" in PHP4 because it was so obviously dumb. The last update to this library was in 2002. The previous code actually changes the value of the defined constant, which is not a behaviour that we want. If you look at the current PHP-8.0.0 BC page on their website you'll see very detailed description of what breaks. Instead of errors you'll get INF, -INF or NAN, depending on the case. Over the years, PHP has done a more-than-admirable job of mitigating backward compatibility (BC) where possible and documenting everything else really well. I still like PHP for its rapid-development features. Patreon — Don't forget that this graph is no longer true as of 8.0. PHP 8 is here! Some might call it a necessary evil: the mixed type causes many to have mixed feelings. get_debug_type() returns more useful output for arrays, strings, anonymous classes and objects. Meanwhile, union types is a feature that allows data of more than one type to be held by a variable. The next minor version, PHP 7.3, is scheduled for release in late 2018. Only big issues was the mysql vs mysqli vs pdo db connections and the 5->7 deprecation of mysql support (so mysqli or pdo only now). Exactly. The way it works is more like a type restriction on a dynamically typed variable. Going slow don't get that sweet frosty taste. He wants the U.S. to achieve net-zero … It was extremely ugly, but is not actually that much worse than other languages that lack static typing. Start your free 14-day trial today. Same with frameworks. Ditto. 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