spldoublylinkedlist.construct.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Constructs a new doubly linked list</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="spldoublylinkedlist.bottom.html">SplDoublyLinkedList::bottom</a></div> <div class="next" style="text-align: right; float: right;"><a href="spldoublylinkedlist.count.html">SplDoublyLinkedList::count</a></div> <div class="up"><a href="class.spldoublylinkedlist.html">SplDoublyLinkedList</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="spldoublylinkedlist.construct" class="refentry"> <div class="refnamediv"> <h1 class="refname">SplDoublyLinkedList::__construct</h1> <p class="verinfo">(No version information available, might be only in CVS)</p><p class="refpurpose"><span class="refname">SplDoublyLinkedList::__construct</span> — <span class="dc-title">Constructs a new doubly linked list</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="constructorsynopsis dc-description"> <span class="methodname"><b><b>SplDoublyLinkedList::__construct</b></b></span> ( <span class="methodparam">void</span> )</div> <p class="para rdfs-comment"> This constructs a new empty doubly linked list. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para">This function has no parameters.</p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> No value is returned. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 <b>SplDoublyLinkedList::__construct()</b> example</b></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"><pre><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> </pre></div> </div> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="spldoublylinkedlist.bottom.html">SplDoublyLinkedList::bottom</a></div> <div class="next" style="text-align: right; float: right;"><a href="spldoublylinkedlist.count.html">SplDoublyLinkedList::count</a></div> <div class="up"><a href="class.spldoublylinkedlist.html">SplDoublyLinkedList</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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