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| 19 | <b>ZcardCommand: Contents</b><br> <a href="#ZCARD _key_ (Redis >">ZCARD _key_ (Redis ></a><br> <a href="#Return value">Return value</a> |
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| 22 | <h1 class="wikiname">ZcardCommand</h1> |
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| 29 | #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. |
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