Title: Multi-Select Fields Data Structure
Last modified: December 6, 2016

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# Multi-Select Fields Data Structure

 *  [lrrm](https://wordpress.org/support/users/lrrm/)
 * (@lrrm)
 * [9 years, 4 months ago](https://wordpress.org/support/topic/multi-select-fields-data-structure/)
 * Hi,
 * when I have a multiselect field and I look into the database what the user has
   selected I find a datastructure like this one:
 * `a:1:{i:0;s:15:"the selected option";}`
 * I want to understand what a:1 and i:0 and s:15 means?
 * Can someone help me please?
 * Thanks,
    lrrm

The topic ‘Multi-Select Fields Data Structure’ is closed to new replies.

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## Tags

 * [meta values](https://wordpress.org/support/topic-tag/meta-values/)

 * 1 reply
 * 2 participants
 * Last reply from: [borisv](https://wordpress.org/support/users/borisv/)
 * Last activity: [9 years, 4 months ago](https://wordpress.org/support/topic/multi-select-fields-data-structure/#post-8521260)
 * Status: not resolved