What makes PHP 7 much faster than PHP 5 ? What are the advantages of PHP 7 ? Why is PHP 7 faster than old versions of PHP ? What is the difference between PHP 5 and PHP 7 ? What are the reasons for upgrading to PHP 7 ?
PHP 7 has more efficient data structures and memory allocation. Php 7 works really well for sites designed with WP, but it’s still not enough for some sites to respond to a million clicks in seconds like Facebook.