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<h1 class="refname">Countable::count</h1>
<p class="verinfo">(PHP 5 >= 5.1.0)</p><p class="refpurpose"><span class="refname">Countable::count</span> — <span class="dc-title">Count elements of an object</span></p>
</div>
<div class="refsect1 description" id="refsect1-countable.count-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="modifier">abstract</span> <span class="modifier">public</span> <span class="type">int</span> <span class="methodname"><strong>Countable::count</strong></span>
( <span class="methodparam">void</span>
)</div>
<p class="para rdfs-comment">
This method is executed when using the <span class="function"><a href="function.count.html" class="function">count()</a></span> function on an
object implementing <a href="class.countable.html" class="classname">Countable</a>.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-countable.count-parameters">
<h3 class="title">Parameters</h3>
<p class="para">This function has no parameters.</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-countable.count-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
The custom count as an <span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>.
</p>
<blockquote class="note"><p><strong class="note">Note</strong>:
<p class="para">
The return value is cast to an <span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>.
</p>
</p></blockquote>
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<div class="refsect1 examples" id="refsect1-countable.count-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-3909">
<p><strong>Example #1 <span class="function"><strong>Countable::count()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /></span><span style="color: #007700">class </span><span style="color: #0000BB">myCounter </span><span style="color: #007700">implements </span><span style="color: #0000BB">Countable </span><span style="color: #007700">{<br /> private </span><span style="color: #0000BB">$count </span><span style="color: #007700">= </span><span style="color: #0000BB">0</span><span style="color: #007700">;<br /> public function </span><span style="color: #0000BB">count</span><span style="color: #007700">() {<br /> return ++</span><span style="color: #0000BB">$this</span><span style="color: #007700">-></span><span style="color: #0000BB">count</span><span style="color: #007700">;<br /> }<br />}<br /><br /></span><span style="color: #0000BB">$counter </span><span style="color: #007700">= new </span><span style="color: #0000BB">myCounter</span><span style="color: #007700">;<br /><br />for(</span><span style="color: #0000BB">$i</span><span style="color: #007700">=</span><span style="color: #0000BB">0</span><span style="color: #007700">; </span><span style="color: #0000BB">$i</span><span style="color: #007700"><</span><span style="color: #0000BB">10</span><span style="color: #007700">; ++</span><span style="color: #0000BB">$i</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">"I have been count()ed " </span><span style="color: #007700">. </span><span style="color: #0000BB">count</span><span style="color: #007700">(</span><span style="color: #0000BB">$counter</span><span style="color: #007700">) . </span><span style="color: #DD0000">" times\n"</span><span style="color: #007700">;<br />}<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
<div class="example-contents"><p>The above example will output
something similar to:</p></div>
<div class="example-contents screen">
<div class="cdata"><pre>
I have been count()ed 1 times
I have been count()ed 2 times
I have been count()ed 3 times
I have been count()ed 4 times
I have been count()ed 5 times
I have been count()ed 6 times
I have been count()ed 7 times
I have been count()ed 8 times
I have been count()ed 9 times
I have been count()ed 10 times
</pre></div>
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