This directive not only affects the type declarations of parameters, but also a function's return type (see return type declarations, built-in PHP functions, ...

There are a few incompatibilities and new features that should be considered, and code should be tested before switching PHP versions in production environments ...

New features · Deprecated features · Backward incompatible changes

This means that custom error handlers may no longer be triggered because exceptions may be thrown instead (causing new fatal errors for uncaught Error ...

A new type, object, has been introduced that can be used for (contravariant) parameter typing and (covariant) return typing of any objects. <?php function test( ...

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. PHP 7 will emit ...

Table of Contents ¶ ... This new major version brings with it a number of new features and some incompatibilities that should be tested for before switching PHP ...

New Features · Deprecated Features · PHP 7.2 · Migrating from PHP 7.3.x to...

PHP Manual · Appendices · Migrating from PHP 7.3.x to PHP 7.4.x ... New Features ¶. PHP Core ¶. Typed properties ... My PHP.net · Contact · Other PHP.net sites ...

Arrays and Traversable objects can be unpacked into argument lists when calling functions by using the ... operator. This is also known as the splat operator in ...

8 with php 7.4.16. On Friday, I had our webmaster to upgrade our site to PHP 8.1, and then I pushed the new code for OST 1.17 to our website. It has not loaded ...