Modify string, PHP

Question

I have a string, for example

20120201

I need to change it to

2012/02/01

obviously I need to add "/" after the 4th, 6th characters in the string.

Could someone help me do this in PHP?

Thank you.

Answer 1

Something like this:

$final = substr($initial,0,4).'/'.substr($initial,4,2).'/'.substr($initial,6,2)

Use substr.