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php-manual-zh-5.2.4-1mdv2008.1.noarch.rpm

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>DOMImplementation-&#62;createDocumentType()</H1
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><A
NAME="AEN41617"
></A
><P
>    (no version information, might be only in CVS)</P
>DOMImplementation-&#62;createDocumentType()&nbsp;--&nbsp;
   Creates an empty DOMDocumentType object
  </DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN41620"
></A
><H2
>说明</H2
>class <B
CLASS="classname"
>DOMImplementation</B
> { <BR
></BR
>DOMDocumentType <B
CLASS="methodname"
>createDocumentType</B
> ( [string qualifiedName [, string publicId [, string systemId]]] )<BR
></BR
>}<P
>&#13;   Creates an empty <B
CLASS="classname"
>DOMDocumentType</B
> object. Entity 
   declarations and notations are not made available. Entity reference 
   expansions and default attribute additions do not occur.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN41639"
></A
><H2
>参数</H2
><P
>&#13;   <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
>qualifiedName</CODE
></DT
><DD
><P
>&#13;       The qualified name of the document type to create.
      </P
></DD
><DT
><CODE
CLASS="parameter"
>publicId</CODE
></DT
><DD
><P
>&#13;       The external subset public identifier.
      </P
></DD
><DT
><CODE
CLASS="parameter"
>systemId</CODE
></DT
><DD
><P
>&#13;       The external subset system identifier.
      </P
></DD
></DL
></DIV
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN41658"
></A
><H2
>返回值</H2
><P
>&#13;   A new <B
CLASS="classname"
>DOMDocumentType</B
> node with its 
   <TT
CLASS="literal"
>ownerDocument</TT
> set to <TT
CLASS="constant"
><B
>NULL</B
></TT
>.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN41664"
></A
><H2
>范例</H2
><P
>&#13;   <TABLE
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><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN41667"
></A
><P
><B
>例 1. Creating a document with an attached DTD</B
></P
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /><br /></font><font color="#FF8000">// Creates an instance of the DOMImplementation class<br /></font><font color="#0000BB">$imp </font><font color="#007700">= new </font><font color="#0000BB">DOMImplementation</font><font color="#007700">;<br /><br /></font><font color="#FF8000">// Creates a DOMDocumentType instance<br /></font><font color="#0000BB">$dtd </font><font color="#007700">= </font><font color="#0000BB">$imp</font><font color="#007700">-&gt;</font><font color="#0000BB">createDocumentType</font><font color="#007700">(</font><font color="#DD0000">'graph'</font><font color="#007700">, </font><font color="#DD0000">''</font><font color="#007700">, </font><font color="#DD0000">'graph.dtd'</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// Creates a DOMDocument instance<br /></font><font color="#0000BB">$dom </font><font color="#007700">= </font><font color="#0000BB">$imp</font><font color="#007700">-&gt;</font><font color="#0000BB">createDocument</font><font color="#007700">(</font><font color="#DD0000">""</font><font color="#007700">, </font><font color="#DD0000">""</font><font color="#007700">, </font><font color="#0000BB">$dtd</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// Set other properties<br /></font><font color="#0000BB">$dom</font><font color="#007700">-&gt;</font><font color="#0000BB">encoding </font><font color="#007700">= </font><font color="#DD0000">'UTF-8'</font><font color="#007700">;<br /></font><font color="#0000BB">$dom</font><font color="#007700">-&gt;</font><font color="#0000BB">standalone </font><font color="#007700">= </font><font color="#0000BB">false</font><font color="#007700">;<br /><br /></font><font color="#FF8000">// Create an empty element<br /></font><font color="#0000BB">$element </font><font color="#007700">= </font><font color="#0000BB">$dom</font><font color="#007700">-&gt;</font><font color="#0000BB">createElement</font><font color="#007700">(</font><font color="#DD0000">'graph'</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// Append the element<br /></font><font color="#0000BB">$dom</font><font color="#007700">-&gt;</font><font color="#0000BB">appendChild</font><font color="#007700">(</font><font color="#0000BB">$element</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// Retrieve and print the document<br /></font><font color="#007700">echo </font><font color="#0000BB">$dom</font><font color="#007700">-&gt;</font><font color="#0000BB">saveXML</font><font color="#007700">();<br /><br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
></TR
></TABLE
><P
>上例将输出:</P
><TABLE
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CELLPADDING="5"
><TR
><TD
><PRE
CLASS="xml"
>&#60;?xml version="1.0" encoding="UTF-8" standalone="no"?&#62;
&#60;!DOCTYPE graph SYSTEM "graph.dtd"&#62;
&#60;graph/&#62;</PRE
></TD
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>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN41672"
></A
><H2
>错误/异常</H2
><P
>&#13;   <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><TT
CLASS="constant"
><B
>DOM_NAMESPACE_ERR</B
></TT
></DT
><DD
><P
>&#13;       Raised if there is an error with the namespace, as determined by 
       <CODE
CLASS="parameter"
>qualifiedName</CODE
>.
      </P
></DD
></DL
></DIV
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN41682"
></A
><H2
>参见</H2
><P
>&#13;   <P
></P
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