The PHP community this morning put out the awaited PHP 5.6 update that brings several language changes and other improvements to the popular web programming language.
PHP 5.6 introduces support for constant scalar expressions, variadic functions and argument unpacking with the ...
operator, exponentiation using the **
operator, function and constant importing, PHPDBG, php://input is now reusable, GMP objects can use operator overloading, and file uploads over 2GB in size are now handled. The new phpdbg component is an interactive PHP debugger implemented as a SAPI module.
For PHP developers looking to find out more information about this significant update can read the official release announcement at PHP.net
while the 5.6 migration guide
covers all of the new/changed features in great detail.