domprocessinginstruction.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>Creates a new DOMProcessingInstruction object</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="class.domprocessinginstruction.html">DOMProcessingInstruction</a></div> <div class="next" style="text-align: right; float: right;"><a href="class.domtext.html">DOMText</a></div> <div class="up"><a href="class.domprocessinginstruction.html">DOMProcessingInstruction</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="domprocessinginstruction.construct" class="refentry"> <div class="refnamediv"> <h1 class="refname">DOMProcessingInstruction::__construct</h1> <p class="verinfo">(PHP 5)</p><p class="refpurpose"><span class="refname">DOMProcessingInstruction::__construct</span> — <span class="dc-title"> Creates a new DOMProcessingInstruction object </span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="classsynopsis"> <div class="ooclass"><a href="class.domprocessinginstruction.html" class="classname">DOMProcessingInstruction</a></div> <div class="methodsynopsis dc-description"> <span class="methodname"><b><b>__construct</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$name</tt></span> [, <span class="methodparam"><span class="type">string</span> <tt class="parameter">$value</tt></span> ] )</div> </div> <p class="para"> Creates a new <a href="class.domprocessinginstruction.html" class="classname">DOMProcessingInstruction</a> object. This object is read only. It may be appended to a document, but additional nodes may not be appended to this node until the node is associated with a document. To create a writeable node, use <a href="domdocument.createprocessinginstruction.html" class="xref">DOMDocument::createProcessingInstruction</a>. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">name</tt></i></span> <dd> <p class="para"> The tag name of the processing instruction. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">value</tt></i></span> <dd> <p class="para"> The value of the processing instruction. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 Creating a new DOMProcessingInstruction</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /><br />$dom </span><span style="color: #007700">= new </span><span style="color: #0000BB">DOMDocument</span><span style="color: #007700">(</span><span style="color: #DD0000">'1.0'</span><span style="color: #007700">, </span><span style="color: #DD0000">'UTF-8'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$html </span><span style="color: #007700">= </span><span style="color: #0000BB">$dom</span><span style="color: #007700">-></span><span style="color: #0000BB">appendChild</span><span style="color: #007700">(new </span><span style="color: #0000BB">DOMElement</span><span style="color: #007700">(</span><span style="color: #DD0000">'html'</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">$body </span><span style="color: #007700">= </span><span style="color: #0000BB">$html</span><span style="color: #007700">-></span><span style="color: #0000BB">appendChild</span><span style="color: #007700">(new </span><span style="color: #0000BB">DOMElement</span><span style="color: #007700">(</span><span style="color: #DD0000">'body'</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">$pinode </span><span style="color: #007700">= new </span><span style="color: #0000BB">DOMProcessingInstruction</span><span style="color: #007700">(</span><span style="color: #DD0000">'php'</span><span style="color: #007700">, </span><span style="color: #DD0000">'echo "Hello World"; '</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$body</span><span style="color: #007700">-></span><span style="color: #0000BB">appendChild</span><span style="color: #007700">(</span><span style="color: #0000BB">$pinode</span><span style="color: #007700">);<br />echo </span><span style="color: #0000BB">$dom</span><span style="color: #007700">-></span><span style="color: #0000BB">saveXML</span><span style="color: #007700">(); <br /><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="UTF-8"?><html><body><?php echo "Hello World"; ?></body></html></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="domdocument.createprocessinginstruction.html" class="xref">DOMDocument::createProcessingInstruction</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="class.domprocessinginstruction.html">DOMProcessingInstruction</a></div> <div class="next" style="text-align: right; float: right;"><a href="class.domtext.html">DOMText</a></div> <div class="up"><a href="class.domprocessinginstruction.html">DOMProcessingInstruction</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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