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<title>Constructs a new doubly linked list</title>
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<h1 class="refname">SplDoublyLinkedList::__construct</h1>
<p class="verinfo">(PHP 5 >= 5.3.0)</p><p class="refpurpose"><span class="refname">SplDoublyLinkedList::__construct</span> — <span class="dc-title">Constructs a new doubly linked list</span></p>
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<div class="refsect1 description" id="refsect1-spldoublylinkedlist.construct-description">
<h3 class="title">Description</h3>
<div class="constructorsynopsis dc-description">
<span class="modifier">public</span> <span class="methodname"><strong>SplDoublyLinkedList::__construct()</strong></span>
( <span class="methodparam">void</span>
)</div>
<p class="para rdfs-comment">
This constructs a new empty doubly linked list.
</p>
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<div class="refsect1 parameters" id="refsect1-spldoublylinkedlist.construct-parameters">
<h3 class="title">Parameters</h3>
<p class="para">This function has no parameters.</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-spldoublylinkedlist.construct-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
No value is returned.
</p>
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<div class="refsect1 examples" id="refsect1-spldoublylinkedlist.construct-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-3796">
<p><strong>Example #1 <span class="function"><strong>SplDoublyLinkedList::__construct()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$dll </span><span style="color: #007700">= new </span><span style="color: #0000BB">SplDoublyLinkedList</span><span style="color: #007700">();<br /><br /></span><span style="color: #0000BB">$dll</span><span style="color: #007700">-></span><span style="color: #0000BB">push</span><span style="color: #007700">(</span><span style="color: #0000BB">2</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$dll</span><span style="color: #007700">-></span><span style="color: #0000BB">push</span><span style="color: #007700">(</span><span style="color: #0000BB">3</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$dll</span><span style="color: #007700">-></span><span style="color: #0000BB">unshift</span><span style="color: #007700">(</span><span style="color: #0000BB">5</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$dll</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>
object(SplDoublyLinkedList)#1 (2) {
["flags":"SplDoublyLinkedList":private]=>
int(0)
["dllist":"SplDoublyLinkedList":private]=>
array(3) {
[0]=>
int(5)
[1]=>
int(2)
[2]=>
int(3)
}
}
</pre></div>
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