# Easy Question

**URL:** <https://forum.kirupa.com/t/easy-question/182363>\
**Category:** Uncategorized\
**Created:** [March 17, 2006, 2:28pm UTC](https://forum.kirupa.com/t/easy-question/182363 "2006-03-17T14:28:09Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![SlowRoasted](https://avatars.discourse-cdn.com/v4/letter/s/a698b9/32.png) [@SlowRoasted](https://forum.kirupa.com/u/SlowRoasted)\
**Post date:** [March 17, 2006, 2:28pm UTC](https://forum.kirupa.com/t/easy-question/182363/1 "2006-03-17T14:28:09Z")

</div>

```php

$base_digits= array (
           1=> "I", 
           10=> "X", 
           100=> "C", 
           1000=> "M", 
           );

```

I have seen those arrows a lot…=\>. What exactly do they do? There it looks like it’s assigning valued to certain spots in an array.:+)