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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>Removes child from list of children</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="domnode.normalize.html">DOMNode::normalize</a></div> <div class="next" style="text-align: right; float: right;"><a href="domnode.replacechild.html">DOMNode::replaceChild</a></div> <div class="up"><a href="class.domnode.html">DOMNode</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="domnode.removechild" class="refentry"> <div class="refnamediv"> <h1 class="refname">DOMNode::removeChild</h1> <p class="verinfo">(No version information available, might be only in CVS)</p><p class="refpurpose"><span class="refname">DOMNode::removeChild</span> — <span class="dc-title"> Removes child from list of children </span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type"><a href="class.domnode.html" class="type DOMNode">DOMNode</a></span> <span class="methodname"><b><b>DOMNode::removeChild</b></b></span> ( <span class="methodparam"><span class="type"><a href="class.domnode.html" class="type DOMNode">DOMNode</a></span> <tt class="parameter">$oldnode</tt></span> )</div> <p class="para rdfs-comment"> This functions removes a child from a list of children. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">oldnode</tt></i></span> <dd> <p class="para"> The removed child. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> If the child could be removed the functions returns the old child. </p> </div> <div class="refsect1 errors"> <h3 class="title">Errors/Exceptions</h3> <p class="para"> <dl> <dt> <span class="term"><b><tt>DOM_NO_MODIFICATION_ALLOWED_ERR</tt></b></span> <dd> <p class="para"> Raised if this node is readonly. </p> </dd> </dt> <dt> <span class="term"><b><tt>DOM_NOT_FOUND</tt></b></span> <dd> <p class="para"> Raised if <i><tt class="parameter">oldnode</tt></i> is not a child of this node. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> The following example will delete the chapter element of our XML document. <div class="example"> <p><b>Example #1 Removing a child</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /><br />$doc </span><span style="color: #007700">= new </span><span style="color: #0000BB">DOMDocument</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$doc</span><span style="color: #007700">-></span><span style="color: #0000BB">load</span><span style="color: #007700">(</span><span style="color: #DD0000">'book.xml'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$book </span><span style="color: #007700">= </span><span style="color: #0000BB">$doc</span><span style="color: #007700">-></span><span style="color: #0000BB">documentElement</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">// we retrieve the chapter and remove it from the book<br /></span><span style="color: #0000BB">$chapter </span><span style="color: #007700">= </span><span style="color: #0000BB">$book</span><span style="color: #007700">-></span><span style="color: #0000BB">getElementsByTagName</span><span style="color: #007700">(</span><span style="color: #DD0000">'chapter'</span><span style="color: #007700">)-></span><span style="color: #0000BB">item</span><span style="color: #007700">(</span><span style="color: #0000BB">0</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$oldchapter </span><span style="color: #007700">= </span><span style="color: #0000BB">$book</span><span style="color: #007700">-></span><span style="color: #0000BB">removeChild</span><span style="color: #007700">(</span><span style="color: #0000BB">$chapter</span><span style="color: #007700">);<br /><br />echo </span><span style="color: #0000BB">$doc</span><span style="color: #007700">-></span><span style="color: #0000BB">saveXML</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><?xml version="1.0" encoding="iso-8859-1"?><!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN" "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd"><book id="listing"> <title>My lists</title> </book></pre></div> </pre></div> </div> </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="domnode.appendchild.html" class="xref">DOMNode::appendChild</a></li> <li class="member"><a href="domnode.replacechild.html" class="xref">DOMNode::replaceChild</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="domnode.normalize.html">DOMNode::normalize</a></div> <div class="next" style="text-align: right; float: right;"><a href="domnode.replacechild.html">DOMNode::replaceChild</a></div> <div class="up"><a href="class.domnode.html">DOMNode</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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