![]() ![]() WordPress developers may need to wait until these are updated for compatibility. Quite a few plugins and themes also depend heavily on third party libraries. Many plugins, however, will need extensive refactoring as PHP 8 becomes more utilized. In some cases use of these deprecated functions may be intended for backwards compatibility with older versions of PHP. While most of these are no longer widely used, we have identified that create_function is still used in over 5,500 WordPress plugins, including extremely popular plugins with millions of installations. The mbstring.func_overload ini directive.Some functions and features that were deprecated in PHP 7.x have been completely removed. It will not try quite as hard to make code work no matter what. ![]() In other words, PHP 8 is not as lenient as previous versions. Issues that previously resulted in notices now result in warnings, and issues that previously resulted in warnings now result in errors. Many built-in functions are now pickier about the input they accept, and PHP 8 itself is more stringent about how input is passed to functions. PHP 8 uses much stricter typing than previous versions. While this is up for debate, it’s true that versions of PHP prior to PHP 8 are more fault tolerant and try very hard to ensure that code will run even if minor errors are present. Some developers have long argued that PHP is insecure by default. Those that do not run into fatal errors during normal usage may still show unexpected behavior for some time. ![]() Upcoming Wordfence versions will offer a similar level of partial support, though we have additional testing planned to reach full compatibility.Ī vast number of WordPress plugins and themes will not be immediately compatible with PHP 8. WordPress has called for additional testing with PHP 8 in order to find and fix as many remaining bugs as possible.Īt Wordfence, our Quality Assurance team is working to ensure that our plugin is compatible with PHP 8 in a variety of environments. This means that most core WordPress functionality will work, but unexpected bugs may still occur for some time, even without the presence of additional plugins or themes. The upcoming major version of WordPress, 5.6, is intended to be “beta compatible with PHP 8” according to the November 18 WordPress dev chat. In this article, we hope to provide insights detailing what this means for WordPress site owners, including recommended adoption strategies. PHP 8 is a massive change from previous versions. It also fully removes a number of previously deprecated functions. As the programming language powering WordPress sites, PHP’s latest version offers new features that developers will find useful and improvements that promise to greatly enhance security and performance in the long run. PHP 8.0 is set to be released on November 26, 2020. ![]()
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