[redis.git] / doc / ZcardCommand.html


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<!-- This is a (PRE) block.  Make sure it's left aligned or your toc title will be off. -->
<b>ZcardCommand: Contents</b><br>&nbsp;&nbsp;<a href="#ZCARD _key_ (Redis &gt;">ZCARD _key_ (Redis &gt;</a><br>&nbsp;&nbsp;&nbsp;&nbsp;<a href="#Return value">Return value</a>
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                <h1 class="wikiname">ZcardCommand</h1>

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                    &iuml;&raquo;&iquest;#sidebar <a href="SortedSetCommandsSidebar.html">SortedSetCommandsSidebar</a><h1><a name="ZCARD _key_ (Redis &gt;">ZCARD _key_ (Redis &gt;</a></h1> 1.1) =
<i>Time complexity O(1)</i><blockquote>Return the sorted set cardinality (number of elements). If the <i>key</i> does notexist 0 is returned, like for empty sorted sets.</blockquote>
<h2><a name="Return value">Return value</a></h2><a href="ReplyTypes.html">Integer reply</a>, specifically:<br/><br/><pre class="codeblock python" name="code">
the cardinality (number of elements) of the set as an integer.
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8fb13ce8	1
	2	<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN">
	3	<html>
	4	<head>
	5	<link type="text/css" rel="stylesheet" href="style.css" />
	6	</head>
	7	<body>
	8	<div id="page">
	9
	10	<div id='header'>
	11	<a href="index.html">
	12	<img style="border:none" alt="Redis Documentation" src="redis.png">
	13	</a>
	14	</div>
	15
	16	<div id="pagecontent">
	17	<div class="index">
	18	<!-- This is a (PRE) block. Make sure it's left aligned or your toc title will be off. -->
	19	<b>ZcardCommand: Contents</b><br>  <a href="#ZCARD _key_ (Redis >">ZCARD _key_ (Redis ></a><br>    <a href="#Return value">Return value</a>
	20	</div>
	21
	22	<h1 class="wikiname">ZcardCommand</h1>
	23
	24	<div class="summary">
	25
	26	</div>
	27
	28	<div class="narrow">
	29	ï»¿#sidebar <a href="SortedSetCommandsSidebar.html">SortedSetCommandsSidebar</a><h1><a name="ZCARD _key_ (Redis >">ZCARD _key_ (Redis ></a></h1> 1.1) =
	30	<i>Time complexity O(1)</i><blockquote>Return the sorted set cardinality (number of elements). If the <i>key</i> does notexist 0 is returned, like for empty sorted sets.</blockquote>
	31	<h2><a name="Return value">Return value</a></h2><a href="ReplyTypes.html">Integer reply</a>, specifically:<br/><br/><pre class="codeblock python" name="code">
	32	the cardinality (number of elements) of the set as an integer.
	33	</pre>
	34
	35	</div>
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	37	</div>
	38	</div>
	39	</body>
	40	</html>
	41