# Array or Hash in collection\_select?

**URL:** <https://www.ruby-forum.com/t/array-or-hash-in-collection-select/129668>\
**Category:** Rails\
**Created:** [February 20, 2008, 3:45pm UTC](https://www.ruby-forum.com/t/array-or-hash-in-collection-select/129668 "2008-02-20T15:45:09Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Cassiano\_R](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/ba9def/32.png) [@Cassiano\_R](https://www.ruby-forum.com/u/Cassiano_R)\
**Post date:** [February 20, 2008, 3:45pm UTC](https://www.ruby-forum.com/t/array-or-hash-in-collection-select/129668/1 "2008-02-20T15:45:09Z")

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Hi

I have an array of string and I want to use it in collection\_select  
rails function…

[‘cassiano’, ‘roloff’]

to use in…

\<%= collection\_select ‘form’, ‘field’, @my\_array? %\>

Thanks for help

---

<div class="post-metadata">

**Author:** ![Cassiano\_R](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/ba9def/32.png) [@Cassiano\_R](https://www.ruby-forum.com/u/Cassiano_R)\
**Post date:** [February 21, 2008, 1:52am UTC](https://www.ruby-forum.com/t/array-or-hash-in-collection-select/129668/2 "2008-02-21T01:52:04Z")

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Cassiano,

\<%= select\_tag “field”, options\_for\_select(@my\_array, @my\_array[0]) %\>

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