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<title>Gets the last key of an array</title>
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<h1 class="refname">array_key_last</h1>
<p class="verinfo">(PHP 7 >= 7.3.0)</p><p class="refpurpose"><span class="refname">array_key_last</span> — <span class="dc-title">Gets the last key of an array</span></p>
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<div class="refsect1 description" id="refsect1-function.array-key-last-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <span class="methodname"><strong>array_key_last</strong></span>
( <span class="methodparam"><span class="type">array</span> <code class="parameter">$array</code></span>
)</div>
<p class="para rdfs-comment">
Get the last key of the given <code class="parameter">array</code> without affecting
the internal array pointer.
</p>
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<div class="refsect1 parameters" id="refsect1-function.array-key-last-parameters">
<h3 class="title">Parameters</h3>
<dl>
<dt>
<code class="parameter">array</code></dt>
<dd>
<p class="para">
An array.
</p>
</dd>
</dl>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.array-key-last-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns the last key of <code class="parameter">array</code> if the array is not empty;
<strong><code>NULL</code></strong> otherwise.
</p>
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<div class="refsect1 seealso" id="refsect1-function.array-key-last-seealso">
<h3 class="title">See Also</h3>
<ul class="simplelist">
<li class="member"><span class="function"><a href="function.array-key-first.html" class="function" rel="rdfs-seeAlso">array_key_first()</a> - Gets the first key of an array</span></li>
<li class="member"><span class="function"><a href="function.end.html" class="function" rel="rdfs-seeAlso">end()</a> - Set the internal pointer of an array to its last element</span></li>
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