The documentation says: Warning This function has been DEPRECATED as of PHP 7.2.0. This is a bug fix for PHP 8. October 10, 2020, 8:42am #6 This is a warning directed at the developer of the notes app. PHP 8 is a major version and has breaking changes from previous versions. Unless you are willing to participate in the development, there is nothing you can do about it. With PHP 7.2, each is deprecated. PHP 8. Over time PHP deprecated and remove some of its functions and variables that were supported in past versions. It's a way to signal changes to users which have code based on an older PHP version. PHP Deprecated: Method ReflectionParameter::getClass() is deprecated in C:\xampp\htdocs..\src\Illuminate\Container\Container.php on line 875. Deprecated Features; Other Changes; This new major version brings with it a number of new features and some incompatibilities that should be tested for before switching PHP versions in production environments. New features and notable changes include: Just-in-time compilation. Splitting out the ProxyBuilder changes - #3156944: Support nullable typehints and return types in ProxyBuilder and as a result support PHP 8 The following list provides a short overview of the functionality targeted for deprecation, while more detailed explanation is provided in the Proposal section: PHP 8 was released on November 26, 2020. PHP 4 style constructors (methods that have the same name as the class they are defined in) are deprecated, and will be removed in the future. I know of at least one case where a once deprecated feature was un-deprecated later on. With PHP 8 coming out in the next few weeks, it’s important for teams to be aware of the new features and performance improvements. @deprecated since Symfony 4.2, use {@see AbstractController} instead. But this is also merely a warning, it does not affect your Nextcloud instance in any way. PHP 8's JIT compiler can provide substantial performance improvements for some use cases. How can I … ... Well it's as you said: PhpStorm can still analyse these attributes' behaviours in versions lower than PHP 8 as long as you use the single-line form (which is treated as a comment in older versions of PHP.) It can also suggest replacements for the code that uses deprecated features. However it is not. Currently the php.ini file has the following lines set like this: error_reporting = E_ALL & ~E_DEPRECATED display_errors = On I had hoped in doing so it would prevent deprecation warnings from showing up. See also the migration guides for PHP versions 7.0.x, … In this blog, we look at some of these notable features and improvements in PHP 8, including the JIT compiler and the syntactical improvements that … Relying on this function is highly discouraged. PHP 7 will emit E_DEPRECATED if a PHP 4 constructor is the only constructor defined within a class. The RFC proposes to deprecate the listed functionality in PHP 7.3 and remove it in PHP 8.. Just-in-time compilation is supported in PHP 8. So it's not a task. My server is running PHP 5.3 and my WordPress install is spitting these errors out on me, causing my session_start() to break. After updating my PHP Version 7.2 to PHP Version 8 & run larave app command php artisan serve then show these errors. Is there a way I can adjust error_reporting to ignore deprecated warnings. This package parse PHP code and find known issues of functions, variables and php.ini configuration directives that are deprecated. This is a draft RFC for multiple deprecations targeting PHP 7.3. Output I am getting currently: Normally the deprecated features get removed after some time, but it's not predictable how long this takes. However, I … A way I can adjust error_reporting to ignore deprecated warnings that were supported in past versions proposes to the... 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