PHP 7 is a brand-new version release, arriving a decade after PHP 5. Expected release is before the end of the year. There are a lot of features that will give a new edge to the programming world.
This year, on Oct 15, 2015, PHP7 RC5 is released giving a good news to the PHP Developers. PHP 7 is under development phase, so it’s advisable not to use it for development environment till the final version is out in November. However, it is open to play with it and do our own R&D with it.
The \EngineException objects don’t stretch the \Exception Base Class. This assures backward compatibility and results in two distinct kinds of exceptions in error handling: traditional as well as engine exceptions.
To facilitate programmers to catch both errors, PHP 7 introduces a different shared Parent Class named as \BaseException.
The PHP 7 will amend this as it introduces steady 64-bit support that means both of the native 64-bit integers and the large file will be supported, allowing users to confidently run the program on their 64-bit OS.
The operator returns 0 if both operands are same, 1 when the left is greater, and -1, in case the right is greater. It’s also known as a three-way comparison operator, and it is already there in other famous programming languages like Ruby and Perl.
The Null Coalescing operator is indicated with two question marks ( ?? ). Users can use it when a user want to check if something exists and delivers a default value, in case it doesn’t. The coalesce delivers the outcome of its first operand if it exists and is not null, and will give the second operand in cases it doesn’t.
New PHP has introduced four new types of declarations for scalar types– integer, float, string, and Boolean. By default, in a scalar type, if we pass a float value to an integer parameter, it will re-correct it to an integer without outputting any warning or error.
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