<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html> <head> <link type="text/css" rel="stylesheet" href="style.css" /> </head> <body> <div id="page"> <div id='header'> <a href="index.html"> <img style="border:none" alt="Redis Documentation" src="redis.png"> </a> </div> <div id="pagecontent"> <div class="index"> <!-- This is a (PRE) block. Make sure it's left aligned or your toc title will be off. --> <b>SpopCommand: Contents</b><br> <a href="#SPOP _key_">SPOP _key_</a><br> <a href="#Return value">Return value</a> </div> <h1 class="wikiname">SpopCommand</h1> <div class="summary"> </div> <div class="narrow"> #sidebar <a href="SetCommandsSidebar.html">SetCommandsSidebar</a><h1><a name="SPOP _key_">SPOP _key_</a></h1> <i>Time complexity O(1)</i><blockquote>Remove a random element from a Set returning it as return value.If the Set is empty or the key does not exist, a nil object is returned.</blockquote> <blockquote>The <a href="SrandmemberCommand.html">SRANDMEMBER</a> command does a similar work butthe returned element is not removed from the Set.</blockquote> <h2><a name="Return value">Return value</a></h2><a href="ReplyTypes.html">Bulk reply</a> </div> </div> </div> </body> </html>