How to get string before last slash and after second last slash in URL

Question

If I have a URL look like this:

http://wwww.example/test1/test2/test3/

How can I retrieve string test3 from the url above?

Answer 1

$str = explode("/","http://wwww.example/test1/test2/test3/");
echo $str[count($str)-2];

DEMO: https://eval.in/83914

Answer 2

Regular expression solution.

$url = 'http://wwww.example/test1/test2/test3/';

preg_match('#.*/(.*)/$#', $url, $matches);
echo $matches[1];

Demo

Answer 3

Using capturing group, $:

preg_match('!/([^/]+)/[^/]*$!', 'http://wwww.example/test1/test2/test3/', $matches);
echo $matches[1];

DEMO: http://ideone.com/7EVfZa

Answer 4

So basename() does exactly that.

$url = 'http://www.example/test1/test2/test3/';
echo basename($url); // returns : test3;