Yesterday, the PHP development team announced the availability of PHP version 7.4. This marks the fourth feature update to the PHP 7 series. PHP 7.4 comes with numerous improvements and new features.
Key features in PHP 7.4
- Class properties support type declarations.
- Starting from PHP 7.4, arrow functions will provide a shorthand syntax for defining functions with implicit by-value scope binding
- The full variance support is only available if autoloading is used by the user. Also, a single file will now only support non-cyclic type references.
- Numeric literals can contain underscores between digits.
- Weak references in PHP 7.4 will allow the programmers to retain a reference to an object that does not prevent the object from being destroyed.
- Users can now throw exceptions from __toString(). This was previously not permitted in PHP as it used to result in a fatal error.
- The CURLFile now supports stream wrappers in addition to plain file names.
- The FILTER_VALIDATE_FLOAT filter will support the min_range and max_range options, with the same semantics as FILTER_VALIDATE_INT.
- A new FFI extension is introduced. It will provide a simple way to call native functions, access native variables, and create/access data structures defined in C libraries.
- A new IMG_FILTER_SCATTER image filter is added to introduce a scatter filter to images.
Read More: The Union Types 2.0 proposal gets a go-ahead for PHP 8.0
Users are happy with the new features in PHP 7.4 release.
Awesome work! THank you so much @derickr and @peter_kokot for taking care of the 7.4 release of PHP!
— Andreas Heigl (@heiglandreas) November 28, 2019
To know the full list of changes, head over to the PHP archive page. Users can also check out the PHP manual to learn how to migrate from PHP 7.3.x to PHP 7.4.x.
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