PHP is a server side scripting language designed for web development by Rasmus Lerdorf in 1994. Since its launch in 1994 PHP has become an industry standard supporting almost 80% of the websites ( 79.8% to be precise) with its closest competitor being ASP.Net at 19.8% and others like Ruby, Java trailing far behind.
The PHP development team released the latest version of PHP: PHP 7 claiming it to be twice as fast as its predecessor PHP 5. So, is migrating to PHP 7 really worth it?

The most easily recognizable advantage of the new PHPNG engine is the significant performance improvement. The development team of PHPNG refactored the Zend Engine, and remarkably optimized memory usage.

The results? You can see the performance benchmarks provided by the Zend Performance Team below. By using PHP 7 not only your code will be executed faster but you will also need fewer servers to serve the same amount of users.

The new hash table implementation of the Zend Engine is more efficient than the previous implementation. This results in a clear performance gain.

Even this basic test using simple data types demonstrates the improved performance of PHP 7 over PHP 5. More complex transactions will see even bigger gains in performance from PHP 7 as they typically require more memory allocations; these are where the biggest gains in performance in PHP 7 will be seen.

PHP 7 is the future of PHP and all the applications will need to upgrade to PHP 7 sooner or later. Like all major revolutions throughout history, the PHP 7 revolution will also be spilling some blood before producing something awesome.