PHP : Upload file using Guzzle 6 to API endpoint

PHP : Upload file using Guzzle 6 to API endpoint
To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

I have a hidden feature that I promised to tell you about.
This is a YouTube's feature which works on Desktop.
First, Make sure the video is currently in playing mode.
Then, type the letters 'awesome' on your keyboard as the next step.
The progress bar on YouTube will be altered to a flashing rainbow.

Let me give you a brief introduction of who I am,
Hi, my name is Delphi, nice to meet you.
Let me assist you in answering any questions you may have.
PHP : Upload file using Guzzle 6 to API endpoint
Don't hesitate to leave a comment or start a chat if you have a more specific question.
Don't hesitate to share your answer or insights on the answer by leaving a comment below.
A 'heart' from me will be given to show my gratitude for your contribution.
file 6 to API using PHP Upload : endpoint Guzzle