Regex PHP - Auto-detect YouTube, image and “regular” links

Question

I want to make it so that in my chat-application, links to websites can be clickable and links to YouTube and images automatically gets embedded.

I\'ve made this cod

Answer 1

The code of Tim Cooper doesn't working with https link. Ex: https://www.facebook.com/ It will return http://https://www.facebook.com/

Replace

if(strpos($arr[0], 'http://') !== 0)

by

if(strpos($arr[0], 'http') !== 0)