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<title>Removes an object from the storage</title>
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<h1 class="refname">SplObjectStorage::offsetUnset</h1>
<p class="verinfo">(PHP 5 >= 5.3.0)</p><p class="refpurpose"><span class="refname">SplObjectStorage::offsetUnset</span> — <span class="dc-title">Removes an object from the storage</span></p>
</div>
<div class="refsect1 description" id="refsect1-splobjectstorage.offsetunset-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type"><span class="type void">void</span></span> <span class="methodname"><strong>SplObjectStorage::offsetUnset</strong></span>
( <span class="methodparam"><span class="type">object</span> <code class="parameter">$object</code></span>
)</div>
<p class="para rdfs-comment">
Removes an <span class="type"><a href="language.types.object.html" class="type object">object</a></span> from the storage.
</p>
<blockquote class="note"><p><strong class="note">Note</strong>:
<p class="para">
<span class="methodname"><strong>SplObjectStorage::offsetUnset()</strong></span> is an alias of <span class="methodname"><a href="splobjectstorage.detach.html" class="methodname">SplObjectStorage::detach()</a></span>.
</p>
</p></blockquote>
</div>
<div class="refsect1 parameters" id="refsect1-splobjectstorage.offsetunset-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">object</code></em></span>
<dd>
<p class="para">
The <span class="type"><a href="language.types.object.html" class="type object">object</a></span> to remove.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-splobjectstorage.offsetunset-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
No value is returned.
</p>
</div>
<div class="refsect1 examples" id="refsect1-splobjectstorage.offsetunset-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-3822">
<p><strong>Example #1 <span class="function"><strong>SplObjectStorage::offsetUnset()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$o </span><span style="color: #007700">= new </span><span style="color: #0000BB">StdClass</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$s </span><span style="color: #007700">= new </span><span style="color: #0000BB">SplObjectStorage</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$s</span><span style="color: #007700">-></span><span style="color: #0000BB">attach</span><span style="color: #007700">(</span><span style="color: #0000BB">$o</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">count</span><span style="color: #007700">(</span><span style="color: #0000BB">$s</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">$s</span><span style="color: #007700">-></span><span style="color: #0000BB">offsetUnset</span><span style="color: #007700">(</span><span style="color: #0000BB">$o</span><span style="color: #007700">); </span><span style="color: #FF8000">// Similar to unset($s[$o])<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">count</span><span style="color: #007700">(</span><span style="color: #0000BB">$s</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
something similar to:</p></div>
<div class="example-contents screen">
<div class="cdata"><pre>
int(1)
int(0)
</pre></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-splobjectstorage.offsetunset-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="methodname"><a href="splobjectstorage.offsetget.html" class="methodname" rel="rdfs-seeAlso">SplObjectStorage::offsetGet()</a> - Returns the data associated with an object</span></li>
<li class="member"> <span class="methodname"><a href="splobjectstorage.offsetset.html" class="methodname" rel="rdfs-seeAlso">SplObjectStorage::offsetSet()</a> - Associates data to an object in the storage</span></li>
<li class="member"> <span class="methodname"><a href="splobjectstorage.offsetexists.html" class="methodname" rel="rdfs-seeAlso">SplObjectStorage::offsetExists()</a> - Checks whether an object exists in the storage</span></li>
</ul>
</p>
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