Spaceship Operator, The Null Coalesce Operator and the Splat Operator

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that’s it for the spaceship operator. Consider its use with usort

The null coalesce operator is used like this (e.g. check if a get var is set):

$id = $_GET[‚id‘] ?? 0;

This is much shorter than $id = isset($_GET[‚id‘]) ? $_GET[‚id‘] : 0;

Splat Operator for unpacking an array:

See also: php.net

For more information and other new features in PHP 7 visit:
http://php.net/manual/en/migration70.new-features.php

Splat Operator was introduced in php 5.6 as far as I remember.