Whatever CMS software you are using, DreamHost recommends that you first check to see that it supports the PHP version you wish to upgrade to and then upgrade your CMS software accordingly before updating PHP. The following links provide minimum requirements for a few popular CMSes: The book is intended for any PHP developer who wants to become familiar with the cool new. PHP 8 Programming Tips, Tricks, and Best Practices will help you to get up-to-speed with PHP 8 quickly. You can typically find the version you are using within the application’s administrative dashboard on your website. Thanks to its ease of use, PHP is a highly popular programming language used on over 78 of all web servers connected to the Internet. Your application’s official website should list version compatibility information in its system requirements or support section. If you are using a different application to run your website, the Third-Party Applications section of DreamHost’s knowledge base lists several popular CMS options and updating instructions. See the following article to learn more about the minimum requirements for your WordPress site: ![]() If you are using WordPress, DreamHost recommends updating WordPress Core, themes, and plugins first before attempting to upgrade PHP. ![]() Fixed bug GH-12073 (Segfault when freeing incompletely initialized closures). Fixed bug GH-11876: iniparsequantity() accepts invalid quantities. Fixed bug GH-11790 (On riscv64 require libatomic if actually needed). Core: Fixed bug GH-11937 (Constant ASTs containing objects). View the following links for further information of PHP 8.x changes: PHP 8 ChangeLog 8.2 8.1 8.0 Version 8.2.11. Code deprecated in older versions has been removed, so if your code has not been updated specifically for PHP 8.x, there is a greater chance that your site may not function properly when updated. Support for PHP 7.2 also ended at the end of 2020. The predecessor PHP 7.4 was around for about a year after support for PHP 7.1 was discontinued. ![]() This corresponds to the normal three-year cycle for PHP. PHP 8.x is a major update from previous PHP versions. On 26 November 2020, PHP 8.0.0 - the latest edition of the popular scripting language - was released. Keeping your website software up to date is the first step in ensuring ongoing PHP-version compatibility. So what has changed The phperrormsg variable The createfunction() function The mbstring.funcoverload ini directive The real type The allowurlinclude.
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