How to make a change to php?

Question

PHP

The $text variable contains the text, among which there is a link like this [id1|Pavel Durov].
How can I change it to

<a href="http://vk.com/id1" target="_blank">Павел Дуров</a>

Thanks in advance.

Answer 1

ideone.com/6DmkTY

Answer 2

php.net/manual/en/function.explode.php
php.net/manual/en/function.substr.php Explode
by "|", cut "[", "]" before that

Answer 3

This task...
PS: is done by string and/or regular expression functions.
Google...