Common questions about web scraping and Guzzle in PHP

Guzzle

Does Guzzle use cURL?

Handle Guzzle exception and get HTTP body?

How do I do HTTP basic authentication with Guzzle?

How do you handle client error in Guzzle?

How to ignore SSL certificate error with Guzzle?

How to send a POST request in JSON with Guzzle?

How to use proxy with authentication with Guzzle?

Is Guzzle a built-in PHP library?

Is PHP Guzzle deprecated?

What is Guzzle used for in PHP?