<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >tidy_get_root</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="PHP 手册" HREF="index.html"><LINK REL="UP" TITLE="Tidy Functions" HREF="ref.tidy.html"><LINK REL="PREVIOUS" TITLE="tidy_get_release" HREF="function.tidy-get-release.html"><LINK REL="NEXT" TITLE="tidy_get_status" HREF="function.tidy-get-status.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=UTF-8"></HEAD ><BODY CLASS="refentry" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >PHP 手册</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.tidy-get-release.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.tidy-get-status.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.tidy-get-root" ></A >tidy_get_root</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN234645" ></A ><P > (PHP 5)</P >tidy_get_root -- Returns a tidyNode object representing the root of the tidy parse tree </DIV ><DIV CLASS="refsect1" ><A NAME="AEN234648" ></A ><H2 >Description</H2 ><P >Procedural style:</P >tidyNode <B CLASS="methodname" >tidy_get_root</B > ( tidy object )<BR ></BR ><P >Object oriented style:</P >tidyNode <B CLASS="methodname" >tidy->root</B > ( void )<BR ></BR ><P > Returns a tidyNode object representing the root of the tidy parse tree. </P ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN234664" ></A ><P ><B >例 1. dump nodes</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br /><br />$html </font><font color="#007700">= <<< HTML<br /></font><font color="#0000BB"><html><body><br /><br /><p>paragraph</p><br /><br/><br /><br /></body></html><br /></font><font color="#007700">HTML;<br /><br /></font><font color="#0000BB">$tidy </font><font color="#007700">= </font><font color="#0000BB">tidy_parse_string</font><font color="#007700">(</font><font color="#0000BB">$html</font><font color="#007700">);<br /></font><font color="#0000BB">dump_nodes</font><font color="#007700">(</font><font color="#0000BB">$tidy</font><font color="#007700">-></font><font color="#0000BB">root</font><font color="#007700">(), </font><font color="#0000BB">1</font><font color="#007700">);<br /><br /><br />function </font><font color="#0000BB">dump_nodes</font><font color="#007700">(</font><font color="#0000BB">$node</font><font color="#007700">, </font><font color="#0000BB">$indent</font><font color="#007700">) {<br /><br /> if(</font><font color="#0000BB">$node</font><font color="#007700">-></font><font color="#0000BB">hasChildren</font><font color="#007700">()) {<br /> foreach(</font><font color="#0000BB">$node</font><font color="#007700">-></font><font color="#0000BB">child </font><font color="#007700">as </font><font color="#0000BB">$child</font><font color="#007700">) {<br /> echo </font><font color="#0000BB">str_repeat</font><font color="#007700">(</font><font color="#DD0000">'.'</font><font color="#007700">, </font><font color="#0000BB">$indent</font><font color="#007700">*</font><font color="#0000BB">2</font><font color="#007700">) . (</font><font color="#0000BB">$child</font><font color="#007700">-></font><font color="#0000BB">name </font><font color="#007700">? </font><font color="#0000BB">$child</font><font color="#007700">-></font><font color="#0000BB">name </font><font color="#007700">: </font><font color="#DD0000">'"'</font><font color="#007700">.</font><font color="#0000BB">$child</font><font color="#007700">-></font><font color="#0000BB">value</font><font color="#007700">.</font><font color="#DD0000">'"'</font><font color="#007700">). </font><font color="#DD0000">"\n"</font><font color="#007700">;<br /><br /> </font><font color="#0000BB">dump_nodes</font><font color="#007700">(</font><font color="#0000BB">$child</font><font color="#007700">, </font><font color="#0000BB">$indent</font><font color="#007700">+</font><font color="#0000BB">1</font><font color="#007700">);<br /> }<br /> }<br />}<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ><P >上例将输出:</P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="screen" >..html ....head ......title ....body ......p ........"paragraph" ......br</PRE ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ><DIV CLASS="note" ><BLOCKQUOTE CLASS="note" ><P ><B >注意: </B >本函数仅能用于 Zend Engine 2,这意味着 PHP >= 5.0.0。</P ></BLOCKQUOTE ></DIV ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.tidy-get-release.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >起始页</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.tidy-get-status.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >tidy_get_release</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.tidy.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >tidy_get_status</TD ></TR ></TABLE ></DIV ></BODY ></HTML >