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<title>Counts all the values of an array</title>
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<div class="refnamediv">
<h1 class="refname">array_count_values</h1>
<p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">array_count_values</span> — <span class="dc-title">Counts all the values of an array</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.array-count-values-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">array</span> <span class="methodname"><strong>array_count_values</strong></span>
( <span class="methodparam"><span class="type">array</span> <code class="parameter">$array</code></span>
)</div>
<p class="para rdfs-comment">
<span class="function"><strong>array_count_values()</strong></span> returns an array using
the values of <em><code class="parameter">array</code></em> as keys and
their frequency in <em><code class="parameter">array</code></em> as values.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.array-count-values-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">array</code></em></span>
<dd>
<p class="para">
The array of values to count
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.array-count-values-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns an associative array of values from <em><code class="parameter">array</code></em> as
keys and their count as value.
</p>
</div>
<div class="refsect1 errors" id="refsect1-function.array-count-values-errors">
<h3 class="title">Errors/Exceptions</h3>
<p class="para">
Throws <strong><code>E_WARNING</code></strong> for every element which is not
<span class="type"><a href="language.types.string.html" class="type string">string</a></span> or <span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.array-count-values-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-4936">
<p><strong>Example #1 <span class="function"><strong>array_count_values()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$array </span><span style="color: #007700">= array(</span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #DD0000">"hello"</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #DD0000">"world"</span><span style="color: #007700">, </span><span style="color: #DD0000">"hello"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">array_count_values</span><span style="color: #007700">(</span><span style="color: #0000BB">$array</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
<div class="example-contents"><p>The above example will output:</p></div>
<div class="example-contents screen">
<div class="cdata"><pre>
Array
(
[1] => 2
[hello] => 2
[world] => 1
)
</pre></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.array-count-values-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="function"><a href="function.count.html" class="function" rel="rdfs-seeAlso">count()</a> - Count all elements in an array, or something in an object</span></li>
<li class="member"> <span class="function"><a href="function.array-unique.html" class="function" rel="rdfs-seeAlso">array_unique()</a> - Removes duplicate values from an array</span></li>
<li class="member"> <span class="function"><a href="function.array-values.html" class="function" rel="rdfs-seeAlso">array_values()</a> - Return all the values of an array</span></li>
<li class="member"> <span class="function"><a href="function.count-chars.html" class="function" rel="rdfs-seeAlso">count_chars()</a> - Return information about characters used in a string</span></li>
</ul>
</p>
</div>
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