function.simplexml-element-construct.html
来自「php的帮助文档,涉及到PHP的案例和基本语法,以及实际应用内容」· HTML 代码 · 共 190 行
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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 SimpleXMLElement 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="function.simplexml-element-children.html">SimpleXMLElement->children</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.simplexml-element-getDocNamespaces.html">SimpleXMLElement->getDocNamespaces</a></div> <div class="up"><a href="ref.simplexml.html">SimpleXML Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.simplexml-element-construct" class="refentry"> <div class="refnamediv"> <h1 class="refname">SimpleXMLElement->__construct</h1> <p class="verinfo">(No version information available, might be only in CVS)</p><p class="refpurpose"><span class="refname">SimpleXMLElement->__construct</span> — <span class="dc-title"> Creates a new SimpleXMLElement object </span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="classsynopsis"> <div class="ooclass"><b class="classname">SimpleXMLElement</b></div> <div class="constructorsynopsis dc-description"> <span class="methodname"><b><b>__construct</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$data</tt></span> [, <span class="methodparam"><span class="type">int</span> <tt class="parameter">$options</tt></span> [, <span class="methodparam"><span class="type">bool</span> <tt class="parameter">$data_is_url</tt></span> [, <span class="methodparam"><span class="type">string</span> <tt class="parameter">$ns</tt></span> [, <span class="methodparam"><span class="type">bool</span> <tt class="parameter">$is_prefix</tt></span> ]]]] )</div> </div> <p class="para"> Creates a new <b class="classname">SimpleXMLElement</b> object. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">data</tt></i></span> <dd> <p class="para"> A well-formed XML string or the path or URL to an XML document if <i><tt class="parameter">data_is_url</tt></i> is <b><tt>TRUE</tt></b>. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">options</tt></i></span> <dd> <p class="para"> Optionally used to specify <a href="libxml.constants.html" class="link">additional Libxml parameters</a>. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">data_is_url</tt></i></span> <dd> <p class="para"> By default, <i><tt class="parameter">data_is_url</tt></i> is <b><tt>FALSE</tt></b>. Use <b><tt>TRUE</tt></b> to specify that <i><tt class="parameter">data</tt></i> is a path or URL to an XML document instead of <a href="language.types.string.html" class="type string">string</a> data. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">ns</tt></i></span> <dd> <p class="para"> </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">is_prefix</tt></i></span> <dd> <p class="para"> </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns a <span class="type SimpleXMLElement">SimpleXMLElement</span> object representing <i><tt class="parameter">data</tt></i>. </p> </div> <div class="refsect1 errors"> <h3 class="title">Errors/Exceptions</h3> <p class="para"> Produces an <b><tt>E_WARNING</tt></b> error message for each error found in the XML data and throws an exception if errors were detected. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 Create a SimpleXMLElement object</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /><br /></span><span style="color: #007700">include </span><span style="color: #DD0000">'example.php'</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$sxe </span><span style="color: #007700">= new </span><span style="color: #0000BB">SimpleXMLElement</span><span style="color: #007700">(</span><span style="color: #0000BB">$xmlstr</span><span style="color: #007700">);<br />echo </span><span style="color: #0000BB">$sxe</span><span style="color: #007700">-></span><span style="color: #0000BB">movie</span><span style="color: #007700">[</span><span style="color: #0000BB">0</span><span style="color: #007700">]-></span><span style="color: #0000BB">title</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> <p class="para"> <div class="example"> <p><b>Example #2 Create a SimpleXMLElement object from a URL</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /><br />$sxe </span><span style="color: #007700">= new </span><span style="color: #0000BB">SimpleXMLElement</span><span style="color: #007700">(</span><span style="color: #DD0000">'http://example.org/document.xml'</span><span style="color: #007700">, </span><span style="color: #0000BB">NULL</span><span style="color: #007700">, </span><span style="color: #0000BB">TRUE</span><span style="color: #007700">);<br />echo </span><span style="color: #0000BB">$sxe</span><span style="color: #007700">-></span><span style="color: #0000BB">asXML</span><span style="color: #007700">();<br /><br /></span><span style="color: #0000BB">?></span></span></code></div> </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="function.simplexml-load-string.html" class="xref">simplexml_load_string</a></li> <li class="member"><a href="function.simplexml-load-file.html" class="xref">simplexml_load_file</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.simplexml-element-children.html">SimpleXMLElement->children</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.simplexml-element-getDocNamespaces.html">SimpleXMLElement->getDocNamespaces</a></div> <div class="up"><a href="ref.simplexml.html">SimpleXML Functions</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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