1-fzaninotto/Faker
https://github.com/fzaninotto/Faker
Faker is a PHP library that generates fake data for you. Whether you need to bootstrap your database, create good-looking XML documents, fill-in your persistence to stress test it, or anonymize data taken from a production service, Faker is for you.
Installation
composer require fzaninotto/faker
2-PHPMailer/PHPMailer
https://github.com/PHPMailer/PHPMailer
Many PHP developers utilize email in their code. The only PHP function that supports this is the mail() function. However, it does not provide any assistance for making use of popular features such as HTML-based emails and attachments.
Installation-
composer require phpmailer/phpmailer
3-serbanghita/Mobile-Detect
https://github.com/serbanghita/Mobile-Detect
Mobile_Detect is a lightweight PHP class for detecting mobile devices (including tablets). It uses the User-Agent string combined with specific HTTP headers to detect the mobile environment. http://mobiledetect.net
Installation-
composer require mobiledetect/mobiledetectlib
4-filp/whoops
https://github.com/filp/whoops
whoops is an error handler framework for PHP. Out-of-the-box, it provides a pretty error interface that helps you debug your web projects, but at heart it’s a simple yet powerful stacked error handling system.
Instalation-
composer require filp/whoops
5-dompdf/dompdf
https://github.com/dompdf/dompdf
At its heart, dompdf is (mostly) a CSS 2.1 compliant HTML layout and rendering engine written in PHP. It is a style-driven renderer: it will download and read external stylesheets, inline style tags, and the style attributes of individual HTML elements. It also supports most presentational HTML attributes.
Installation-
composer require dompdf/dompdf
