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<title>Checks if closure</title>
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<h1 class="refname">ReflectionFunctionAbstract::isClosure</h1>
<p class="verinfo">(PHP 5 >= 5.3.0, PHP 7)</p><p class="refpurpose"><span class="refname">ReflectionFunctionAbstract::isClosure</span> — <span class="dc-title">Checks if closure</span></p>
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<div class="refsect1 description" id="refsect1-reflectionfunctionabstract.isclosure-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">bool</span> <span class="methodname"><strong>ReflectionFunctionAbstract::isClosure</strong></span>
( <span class="methodparam">void</span>
)</div>
<p class="para rdfs-comment">
Checks whether the reflected function is a <a href="class.closure.html" class="classname">Closure</a>.
</p>
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<div class="refsect1 parameters" id="refsect1-reflectionfunctionabstract.isclosure-parameters">
<h3 class="title">Parameters</h3>
<p class="para">This function has no parameters.</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-reflectionfunctionabstract.isclosure-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns <strong><code>TRUE</code></strong> if the function is a <a href="class.closure.html" class="classname">Closure</a>, otherwise <strong><code>FALSE</code></strong>.
</p>
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<div class="refsect1 examples" id="refsect1-reflectionfunctionabstract.isclosure-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-6450">
<p><strong>Example #1 <span class="methodname"><strong>ReflectionFunctionAbstract::isClosure()</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: #FF8000">// Non-closure<br /></span><span style="color: #0000BB">$function1 </span><span style="color: #007700">= </span><span style="color: #DD0000">'str_replace'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$reflection1 </span><span style="color: #007700">= new </span><span style="color: #0000BB">ReflectionFunction</span><span style="color: #007700">(</span><span style="color: #0000BB">$function1</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$reflection1</span><span style="color: #007700">-></span><span style="color: #0000BB">isClosure</span><span style="color: #007700">());<br /><br /></span><span style="color: #FF8000">// Closure<br /></span><span style="color: #0000BB">$function2 </span><span style="color: #007700">= function () {};<br /></span><span style="color: #0000BB">$reflection2 </span><span style="color: #007700">= new </span><span style="color: #0000BB">ReflectionFunction</span><span style="color: #007700">(</span><span style="color: #0000BB">$function2</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$reflection2</span><span style="color: #007700">-></span><span style="color: #0000BB">isClosure</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>
bool(false)
bool(true)
</pre></div>
</div>
</div>
</p>
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<div class="refsect1 seealso" id="refsect1-reflectionfunctionabstract.isclosure-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"><span class="methodname"><a href="reflectionfunctionabstract.isgenerator.html" class="methodname" rel="rdfs-seeAlso">ReflectionFunctionAbstract::isGenerator()</a> - Returns whether this function is a generator</span></li>
</ul>
</p>
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