I made a script that creates an array of urls scraped from a page and I want to filter the array for just 1 certain url. 
The array currently looks like this:

```
Array
(
    [0] => index.jsp
    [1] => feedback.jsp
    [2] => faq.jsp
    [3] => donate.jsp
    [4] => contact.jsp
    [5] => widgetmaker.jsp
    [11] => http://www.example.com/myaccount/accountactivation?_mska_tok=tON-3yIN1n5TVrFAXT3Q&_tgt_url=http%3A%2F%2Fanothersite.com%2Fxml.php
    [12] => http://www.example.com/myaccount/accountactivation?_mska_tok=tON-3yIN1n5TVrFAXT3Q&_tgt_url=http%3A%2F%2Fanothersite.com%2Fxml.php
    [13] => http://www.example.com/myaccount/accountactivation?_mska_tok=tON-3yIN1n5TVrFAXT3Q&_tgt_url=http%3A%2F%2Fanothersite.com%2Fxml.php
    [14] => http://www.example.com/myaccount/accountactivation?_mska_tok=tON-3yIN1n5TVrFAXT3Q&_tgt_url=http%3A%2F%2Fanothersite.com%2Fxml.php
    [15] => http://www.example.com/myaccount/accountactivation?_mska_tok=tON-3yIN1n5TVrFAXT3Q&_tgt_url=http%3A%2F%2Fanothersite.com%2Fxml.php
)

```

And what I want it to do is grab one of the "http://www.example.com/myaccount/accountactivation?\_mska\_tok=tON-3yIN1n5TVrFAXT3Q&\_tgt\_url=http%3A%2F%2Fanothersite.com%2Fxml.php" links. How do I do this?