zpop.html

---
title: zpop
brief: Removes and returns the top value in a zset, with its score.
updated: 2014-08-08 17:03
layout: script
sha: 196f7a1d80536678fc68084939fe2dc91ac29e67
return: Array reply - element and its score
---

<strong>Keys: 1</strong>
<ol class="args">
  <li>a Sorted Set</li>
</ol>

<strong>Args: None</strong><br>

<h2>Example</h2>

<pre class="script-example">
> zincrby scoreboard 1 bpo
"1"
> zincrby scoreboard 1 bpo
"2"
> zincrby scoreboard 1 tyson
"1"
> zincrby scoreboard 1 tyson
"2"
> zincrby scoreboard 1 tyson
"3"
> evalsha 196f7a1d80536678fc68084939fe2dc91ac29e67 1 scoreboard
1) "tyson"
2) "3"
> evalsha 196f7a1d80536678fc68084939fe2dc91ac29e67 1 scoreboard
1) "bpo"
2) "2"
> evalsha 196f7a1d80536678fc68084939fe2dc91ac29e67 1 scoreboard
(empty list or set)
</pre>

<h2>Source</h2>

<pre class="script-source">
local result = redis.call('zrange', KEYS[1], -1, -1, "WITHSCORES")
if result then redis.call('zremrangebyrank', KEYS[1], -1, -1) end
return result
</pre>