replace any url's within a string of text, to clickable links with php

Question

Say i have a string of text such as

$text = \"Hello world, be sure to visit http://whatever.com today\";

how can i (probably using regex) i

Answer 1

You can use regexp to do this:

$html_links = preg_replace('"\b(https?://\S+)"', '$1', $text);