Posted: 09-08-2017

Laravel Upgrading To 5.5 From 5.4

Laravel Upgrading To 5.5 From 5.4

According to the Laravel documentation Estimated Upgrade Time is about 1 Hour.

Important Laravel 5.5 require PHP 7

Updating Dependencies

Update your laravel/framework dependency to 5.5.* in your composer.json file. In addition, you should update your phpunit/phpunit dependency to ~6.0.

Pusher

The Pusher event broadcasting driver now requires version ~3.0 of the Pusher SDK.


Offical  step by step guide for upgrading Laravel 5.5 from 5.4 version