Custom Fields

Hi all

I’m extremely new to php and i’ve been tasked with displaying multiple custom fields values for approximately 10 custom fields in a post. what would the best way to do this be as i’ve looked at the plugins but not sure how to implement on page.

please help. thanks in advance

i’ve used the below code to give me the keys but now sure how to display the values for those keys

https://pastebin.com/Drfppaj3