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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>The XMLReader class</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="book.xmlreader.html">XMLReader</a></div> <div class="next" style="text-align: right; float: right;"><a href="xmlreader.close.html">XMLReader::close</a></div> <div class="up"><a href="book.xmlreader.html">XMLReader</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div> <h1 class="title">The XMLReader class</h1> <div class="partintro"> <div id="xmlreader.intro" class="section"> <h2 class="title">Introduction</h2> <p class="para"> The XMLReader extension is an XML Pull parser. The reader acts as a cursor going forward on the document stream and stopping at each node on the way. </p> </div> <div id="xmlreader.synopsis" class="section"> <h2 class="title">Class synopsis</h2> <div class="classsynopsis"> <div class="ooclass"><b class="classname">XMLReader</b></div> <div class="classsynopsisinfo"> <span class="ooclass"> <b class="classname">XMLReader</b> </span> {</div> <div class="classsynopsisinfo classsynopsisinfo_comment">/* Constants */</div> <div class="fieldsynopsis"> <span class="modifier">const</span> <span class="type">int</span> <var class="fieldsynopsis_varname"><a href="class.xmlreader.html#xmlreader.constants.none">XMLReader::NONE</a></var> <span class="initializer">=0</span> ;</div> <div class="fieldsynopsis"> <span class="modifier">const</span> <span class="type">int</span> <var class="fieldsynopsis_varname"><a href="class.xmlreader.html#xmlreader.constants.element">XMLReader::ELEMENT</a></var> <span class="initializer">=1</span> ;</div> <div class="fieldsynopsis"> <span class="modifier">const</span> <span class="type">int</span> <var class="fieldsynopsis_varname"><a href="class.xmlreader.html#xmlreader.constants.attribute">XMLReader::ATTRIBUTE</a></var> <span class="initializer">=2</span> ;</div> <div class="fieldsynopsis"> <span class="modifier">const</span> <span class="type">int</span> <var class="fieldsynopsis_varname"><a href="class.xmlreader.html#xmlreader.constants.text">XMLReader::TEXT</a></var> <span class="initializer">=3</span> ;</div> <div class="fieldsynopsis"> <span class="modifier">const</span> <span class="type">int</span> <var class="fieldsynopsis_varname"><a href="class.xmlreader.html#xmlreader.constants.cdata">XMLReader::CDATA</a></var> <span class="initializer">=4</span> ;</div> <div class="fieldsynopsis"> <span class="modifier">const</span> <span class="type">int</span> <var class="fieldsynopsis_varname"><a href="class.xmlreader.html#xmlreader.constants.entity-ref">XMLReader::ENTITY_REF</a></var> <span class="initializer">=5</span> ;</div> <div class="fieldsynopsis"> <span class="modifier">const</span> <span class="type">int</span> <var class="fieldsynopsis_varname"><a href="class.xmlreader.html#xmlreader.constants.entity">XMLReader::ENTITY</a></var> <span class="initializer">=6</span> ;</div> <div class="fieldsynopsis"> <span class="modifier">const</span> <span class="type">int</span> <var class="fieldsynopsis_varname"><a href="class.xmlreader.html#xmlreader.constants.pi">XMLReader::PI</a></var> <span class="initializer">=7</span> ;</div> <div class="fieldsynopsis"> <span class="modifier">const</span> <span class="type">int</span> <var class="fieldsynopsis_varname"><a href="class.xmlreader.html#xmlreader.constants.comment">XMLReader::COMMENT</a></var> <span class="initializer">=8</span> ;</div> <div class="fieldsynopsis"> <span class="modifier">const</span> <span class="type">int</span> <var class="fieldsynopsis_varname"><a href="class.xmlreader.html#xmlreader.constants.doc">XMLReader::DOC</a></var> <span class="initializer">=9</span> ;</div> <div class="fieldsynopsis"> <span class="modifier">const</span> <span class="type">int</span> <var class="fieldsynopsis_varname"><a href="class.xmlreader.html#xmlreader.constants.doc-type">XMLReader::DOC_TYPE</a></var> <span class="initializer">=10</span> ;</div> <div class="fieldsynopsis"> <span class="modifier">const</span> <span class="type">int</span> <var class="fieldsynopsis_varname"><a href="class.xmlreader.html#xmlreader.constants.doc-fragment">XMLReader::DOC_FRAGMENT</a></var> <span class="initializer">=11</span> ;</div> <div class="fieldsynopsis"> <span class="modifier">const</span> <span class="type">int</span> <var class="fieldsynopsis_varname"><a href="class.xmlreader.html#xmlreader.constants.notation">XMLReader::NOTATION</a></var> <span class="initializer">=12</span> ;</div> <div class="fieldsynopsis"> <span class="modifier">const</span> <span class="type">int</span> <var class="fieldsynopsis_varname"><a href="class.xmlreader.html#xmlreader.constants.whitespace">XMLReader::WHITESPACE</a></var> <span class="initializer">=13</span> ;</div> <div class="fieldsynopsis"> <span class="modifier">const</span> <span class="type">int</span> <var class="fieldsynopsis_varname"><a href="class.xmlreader.html#xmlreader.constants.significant-whitespace">XMLReader::SIGNIFICANT_WHITESPACE</a></var> <span class="initializer">=14</span> ;</div> <div class="fieldsynopsis"> <span class="modifier">const</span> <span class="type">int</span> <var class="fieldsynopsis_varname"><a href="class.xmlreader.html#xmlreader.constants.end-element">XMLReader::END_ELEMENT</a></var> <span class="initializer">=15</span> ;</div> <div class="fieldsynopsis"> <span class="modifier">const</span> <span class="type">int</span> <var class="fieldsynopsis_varname"><a href="class.xmlreader.html#xmlreader.constants.end-entity">XMLReader::END_ENTITY</a></var> <span class="initializer">=16</span> ;</div> <div class="fieldsynopsis"> <span class="modifier">const</span> <span class="type">int</span> <var class="fieldsynopsis_varname"><a href="class.xmlreader.html#xmlreader.constants.xml-declaration">XMLReader::XML_DECLARATION</a></var> <span class="initializer">=17</span> ;</div> <div class="fieldsynopsis"> <span class="modifier">const</span> <span class="type">int</span> <var class="fieldsynopsis_varname"><a href="class.xmlreader.html#xmlreader.constants.loaddtd">XMLReader::LOADDTD</a></var> <span class="initializer">=1</span> ;</div> <div class="fieldsynopsis"> <span class="modifier">const</span> <span class="type">int</span> <var class="fieldsynopsis_varname"><a href="class.xmlreader.html#xmlreader.constants.defaultattrs">XMLReader::DEFAULTATTRS</a></var> <span class="initializer">=2</span> ;</div> <div class="fieldsynopsis"> <span class="modifier">const</span> <span class="type">int</span> <var class="fieldsynopsis_varname"><a href="class.xmlreader.html#xmlreader.constants.validate">XMLReader::VALIDATE</a></var> <span class="initializer">=3</span> ;</div> <div class="fieldsynopsis"> <span class="modifier">const</span> <span class="type">int</span> <var class="fieldsynopsis_varname"><a href="class.xmlreader.html#xmlreader.constants.subst-entities">XMLReader::SUBST_ENTITIES</a></var> <span class="initializer">=4</span> ;</div> <div class="classsynopsisinfo classsynopsisinfo_comment">/* Properties */</div> <div class="fieldsynopsis"> <span class="modifier">public</span> <span class="modifier">readonly</span> <span class="type">int</span> <var class="varname"><a href="class.xmlreader.html#xmlreader.props.attributecount">$attributeCount</a></var> ;</div> <div class="fieldsynopsis"> <span class="modifier">public</span> <span class="modifier">readonly</span> <span class="type">string</span> <var class="varname"><a href="class.xmlreader.html#xmlreader.props.baseuri">$baseURI</a></var> ;</div> <div class="fieldsynopsis"> <span class="modifier">public</span> <span class="modifier">readonly</span> <span class="type">int</span> <var class="varname"><a href="class.xmlreader.html#xmlreader.props.depth">$depth</a></var> ;</div> <div class="fieldsynopsis"> <span class="modifier">public</span> <span class="modifier">readonly</span> <span class="type">bool</span> <var class="varname"><a href="class.xmlreader.html#xmlreader.props.hasattributes">$hasAttributes</a></var> ;</div> <div class="fieldsynopsis"> <span class="modifier">public</span> <span class="modifier">readonly</span> <span class="type">bool</span> <var class="varname"><a href="class.xmlreader.html#xmlreader.props.hasvalue">$hasValue</a></var> ;</div> <div class="fieldsynopsis"> <span class="modifier">public</span> <span class="modifier">readonly</span> <span class="type">bool</span> <var class="varname"><a href="class.xmlreader.html#xmlreader.props.isdefault">$isDefault</a></var> ;</div> <div class="fieldsynopsis"> <span class="modifier">public</span> <span class="modifier">readonly</span> <span class="type">bool</span> <var class="varname"><a href="class.xmlreader.html#xmlreader.props.isemptyelement">$isEmptyElement</a></var> ;</div> <div class="fieldsynopsis"> <span class="modifier">public</span> <span class="modifier">readonly</span> <span class="type">string</span> <var class="varname"><a href="class.xmlreader.html#xmlreader.props.localname">$localName</a></var> ;</div> <div class="fieldsynopsis"> <span class="modifier">public</span> <span class="modifier">readonly</span> <span class="type">string</span> <var class="varname"><a href="class.xmlreader.html#xmlreader.props.name">$name</a></var> ;</div> <div class="fieldsynopsis"> <span class="modifier">public</span> <span class="modifier">readonly</span> <span class="type">string</span> <var class="varname"><a href="class.xmlreader.html#xmlreader.props.namespaceuri">$namespaceURI</a></var> ;</div> <div class="fieldsynopsis"> <span class="modifier">public</span> <span class="modifier">readonly</span> <span class="type">int</span> <var class="varname"><a href="class.xmlreader.html#xmlreader.props.nodetype">$nodeType</a></var> ;</div> <div class="fieldsynopsis"> <span class="modifier">public</span> <span class="modifier">readonly</span> <span class="type">string</span> <var class="varname"><a href="class.xmlreader.html#xmlreader.props.prefix">$prefix</a></var> ;</div> <div class="fieldsynopsis"> <span class="modifier">public</span> <span class="modifier">readonly</span> <span class="type">string</span> <var class="varname"><a href="class.xmlreader.html#xmlreader.props.value">$value</a></var> ;</div> <div class="fieldsynopsis"> <span class="modifier">public</span> <span class="modifier">readonly</span> <span class="type">string</span> <var class="varname"><a href="class.xmlreader.html#xmlreader.props.xmllang">$xmlLang</a></var> ;</div> <div class="classsynopsisinfo classsynopsisinfo_comment">/* Methods */</div> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><a href="xmlreader.close.html" class="function">XMLReader::close</a></b></span> ( <span class="methodparam">void</span> )</div><div class="methodsynopsis dc-description"> <span class="type">DOMNode</span> <span class="methodname"><b><a href="xmlreader.expand.html" class="function">XMLReader::expand</a></b></span> ( <span class="methodparam">void</span> )</div><div class="methodsynopsis dc-description"> <span class="type">string</span> <span class="methodname"><b><a href="xmlreader.getattribute.html" class="function">XMLReader::getAttribute</a></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$name</tt></span> )</div><div class="methodsynopsis dc-description"> <span class="type">string</span> <span class="methodname"><b><a href="xmlreader.getattributeno.html" class="function">XMLReader::getAttributeNo</a></b></span> ( <span class="methodparam"><span class="type">int</span> <tt class="parameter">$index</tt></span> )</div><div class="methodsynopsis dc-description"> <span class="type">string</span> <span class="methodname"><b><a href="xmlreader.getattributens.html" class="function">XMLReader::getAttributeNs</a></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$localName</tt></span> , <span class="methodparam"><span class="type">string</span> <tt class="parameter">$namespaceURI</tt></span> )</div><div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><a href="xmlreader.getparserproperty.html" class="function">XMLReader::getParserProperty</a></b></span> ( <span class="methodparam"><span class="type">int</span> <tt class="parameter">$property</tt></span> )</div><div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><a href="xmlreader.isvalid.html" class="function">XMLReader::isValid</a></b></span> ( <span class="methodparam">void</span> )</div><div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><a href="xmlreader.lookupnamespace.html" class="function">XMLReader::lookupNamespace</a></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$prefix</tt></span> )</div><div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><a href="xmlreader.movetoattribute.html" class="function">XMLReader::moveToAttribute</a></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$name</tt></span> )</div><div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><a href="xmlreader.movetoattributeno.html" class="function">XMLReader::moveToAttributeNo</a></b></span> ( <span class="methodparam"><span class="type">int</span> <tt class="parameter">$index</tt></span> )</div><div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><a href="xmlreader.movetoattributens.html" class="function">XMLReader::moveToAttributeNs</a></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$localName</tt></span> , <span class="methodparam"><span class="type">string</span> <tt class="parameter">$namespaceURI</tt></span> )</div><div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><a href="xmlreader.movetoelement.html" class="function">XMLReader::moveToElement</a></b></span> ( <span class="methodparam">void</span> )</div><div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><a href="xmlreader.movetofirstattribute.html" class="function">XMLReader::moveToFirstAttribute</a></b></span> ( <span class="methodparam">void</span> )</div><div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><a href="xmlreader.movetonextattribute.html" class="function">XMLReader::moveToNextAttribute</a></b></span> ( <span class="methodparam">void</span> )</div><div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><a href="xmlreader.next.html" class="function">XMLReader::next</a></b></span> ([ <span class="methodparam"><span class="type">string</span> <tt class="parameter">$localname</tt></span> ] )</div><div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><a href="xmlreader.open.html" class="function">XMLReader::open</a></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$URI</tt></span> [, <span class="methodparam"><span class="type">string</span> <tt class="parameter">$encoding</tt></span> [, <span class="methodparam"><span class="type">int</span> <tt class="parameter">$options</tt></span> ]] )</div><div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><a href="xmlreader.read.html" class="function">XMLReader::read</a></b></span> ( <span class="methodparam">void</span> )</div><div class="methodsynopsis dc-description"> <span class="type">string</span> <span class="methodname"><b><a href="xmlreader.readinnerxml.html" class="function">XMLReader::readInnerXML</a></b></span> ( <span class="methodparam">void</span> )</div><div class="methodsynopsis dc-description"> <span class="type">string</span> <span class="methodname"><b><a href="xmlreader.readouterxml.html" class="function">XMLReader::readOuterXML</a></b></span> ( <span class="methodparam">void</span> )</div><div class="methodsynopsis dc-description"> <span class="type">string</span> <span class="methodname"><b><a href="xmlreader.readstring.html" class="function">XMLReader::readString</a></b></span> ( <span class="methodparam">void</span> )</div><div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><a href="xmlreader.setparserproperty.html" class="function">XMLReader::setParserProperty</a></b></span> ( <span class="methodparam"><span class="type">int</span> <tt class="parameter">$property</tt></span> , <span class="methodparam"><span class="type">bool</span> <tt class="parameter">$value</tt></span> )</div><div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><a href="xmlreader.setrelaxngschema.html" class="function">XMLReader::setRelaxNGSchema</a></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$filename</tt></span> )</div><div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><a href="xmlreader.setrelaxngschemasource.html" class="function">XMLReader::setRelaxNGSchemaSource</a></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$source</tt></span> )</div><div class="methodsynopsis dc-description"> <span class="type">boolean</span> <span class="methodname"><b><a href="xmlreader.setschema.html" class="function">XMLReader::setSchema</a></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$filename</tt></span> )</div><div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><a href="xmlreader.xml.html" class="function">XMLReader::xml</a></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$source</tt></span> [, <span class="methodparam"><span class="type">string</span> <tt class="parameter">$encoding</tt></span> [, <span class="methodparam"><span class="type">int</span> <tt class="parameter">$options</tt></span> ]] )</div> }</div> </div> <div id="xmlreader.props" class="section"> <h2 class="title">Properties</h2> <dl> <dt id="xmlreader.props.attributecount"> <span class="term"><var class="varname">attributeCount</var></span> <dd> <p class="para"> The number of attributes on the node </p> </dd> </dt> <dt id="xmlreader.props.baseuri"> <span class="term"><var class="varname">baseURI</var></span> <dd> <p class="para">The base URI of the node</p> </dd> </dt> <dt id="xmlreader.props.depth"> <span class="term"><var class="varname">depth</var></span> <dd> <p class="para">Depth of the node in the tree, starting at 0</p> </dd> </dt> <dt id="xmlreader.props.hasattributes"> <span class="term"><var class="varname">hasAttributes</var></span> <dd> <p class="para">Indicates if node has attributes</p> </dd> </dt> <dt id="xmlreader.props.hasvalue"> <span class="term"><var class="varname">hasValue</var></span> <dd> <p class="para">Indicates if node has a text value</p> </dd> </dt> <dt id="xmlreader.props.isdefault"> <span class="term"><var class="varname">isDefault</var></span> <dd> <p class="para">Indicates if attribute is defaulted from DTD</p> </dd> </dt> <dt id="xmlreader.props.isemptyelement"> <span class="term"><var class="varname">isEmptyElement</var></span> <dd> <p class="para">Indicates if node is an empty element tag</p> </dd> </dt>⌨️ 快捷键说明
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