PHP 8.5 has been released, introducing several significant enhancements to the popular open-source scripting language, particularly for web development. This latest version features a built-in URI extension that allows parsing and handling of URLs in compliance with RFC 3986 and WHATWG URL standards. Additionally, the new Pipe operator (|>) facilitates chaining callables, enabling smoother value passing through functions without the need for intermediary variables.
Another noteworthy addition is the enhanced clone() syntax, which allows developers to clone objects while updating their properties effortlessly. This functionality simplifies the “with-er” pattern, especially for readonly classes. The new #[NoDiscard] attribute also serves as a preventative measure, issuing warnings if a return value from a function is not utilized, thus enhancing API safety.
PHP 8.5 further includes a new curl_multi_get_handles function that supports persistent cURL share handles across multiple PHP requests. This change addresses the performance cost associated with initializing connections to the same hosts repeatedly. The update also permits the use of static closures and first-class callables in constant expressions, including attribute parameters.
Additional improvements in PHP 8.5 encompass stack trace support for fatal errors, the introduction of a max_memory_limit INI directive, and a new PHP_BUILD_DATE constant. Developers can also look forward to new functions like array_first and array_last, which return the first and last values of an array, and the locale_is_right_to_left function tailored for Right-to-Left languages.
For those interested in implementing PHP 8.5, it is now available for download as a source tarball from the official PHP website and will soon appear in the stable repositories of various Linux distributions. More details about the changes can be found in the release notes.
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