Add space after every 4th character

Question

I want to add a space to some output after every 4th character until the end of the string. I tried:

$str = $rows[\'value\'];


        

Answer 1

Have you already seen this function called wordwrap? http://us2.php.net/manual/en/function.wordwrap.php

Here is a solution. Works right out of the box like this.