How do I check for valid (not dead) links programmatically using PHP?

Question

Given a list of urls, I would like to check that each url:

• Returns a 200 OK status code
• Returns a response within X amount of time

The

Answer 1

You only need a bash script to do this. Please check my answer on a similar post here. It is a one-liner that reuses HTTP connections to dramatically improve speed, retries n times for temporary errors and follows redirects.