PHP already has a filter (FILTER_VALIDATE_URL) for validating urls using filter_var[0], however, it doesn't work on international URLs. You can also break up a url with parse_url()[1]
You might also want to look into PHP's curl wrapper which is a lot more powerful[2].
2 comments
[ 0.26 ms ] story [ 17.2 ms ] threadSome problems I've found are: redirects and non 200 status codes.
I plan on redoing the whole thing in JavaScript or any other client side technology and add color coding.
You might also want to look into PHP's curl wrapper which is a lot more powerful[2].
[0]https://secure.php.net/manual/en/function.filter-var.php
[1]https://secure.php.net/manual/en/function.parse-url.php
[2]https://secure.php.net/manual/en/book.curl.php