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

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>tidyNode-&#62;isPhp</H1
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NAME="AEN235246"
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><P
>    (no version information, might be only in CVS)</P
>tidyNode-&#62;isPhp&nbsp;--&nbsp;
     Returns true if this node is PHP
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NAME="AEN235249"
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><H2
>Description</H2
>bool <B
CLASS="methodname"
>tidyNode-&#62;isPhp</B
> ( void  )<BR
></BR
><P
>&#13;     Returns <TT
CLASS="constant"
><B
>TRUE</B
></TT
> if the current node is PHP code, <TT
CLASS="constant"
><B
>FALSE</B
></TT
> otherwise.
    </P
><P
>&#13;     <TABLE
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><B
>例 1. get the PHP code from a mixed HTML/PHP document</B
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /><br />$html </font><font color="#007700">= &lt;&lt;&lt; HTML<br /></font><font color="#0000BB">&lt;html&gt;&lt;head&gt;<br />&lt;?php echo '&lt;title&gt;title&lt;/title&gt;'; ?&gt;<br />&lt;/head&gt;<br />&lt;body&gt;<br /><br />&lt;?php<br />echo 'hello world!';<br />?&gt;<br /><br />&lt;/body&gt;&lt;/html&gt;<br /></font><font color="#007700">HTML;<br /><br /><br /></font><font color="#0000BB">$tidy </font><font color="#007700">= </font><font color="#0000BB">tidy_parse_string</font><font color="#007700">(</font><font color="#0000BB">$html</font><font color="#007700">);<br /></font><font color="#0000BB">$num </font><font color="#007700">= </font><font color="#0000BB">0</font><font color="#007700">;<br /><br /></font><font color="#0000BB">get_php</font><font color="#007700">(</font><font color="#0000BB">$tidy</font><font color="#007700">-&gt;</font><font color="#0000BB">html</font><font color="#007700">());<br /><br /><br />function </font><font color="#0000BB">get_php</font><font color="#007700">(</font><font color="#0000BB">$node</font><font color="#007700">) {<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">// check if the current node is PHP code<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#007700">if(</font><font color="#0000BB">$node</font><font color="#007700">-&gt;</font><font color="#0000BB">isPhp</font><font color="#007700">()) {<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#DD0000">"\n\n# PHP node #" </font><font color="#007700">. ++</font><font color="#0000BB">$GLOBALS</font><font color="#007700">[</font><font color="#DD0000">'num'</font><font color="#007700">] . </font><font color="#DD0000">"\n"</font><font color="#007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#0000BB">$node</font><font color="#007700">-&gt;</font><font color="#0000BB">value</font><font color="#007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">// check if the current node has childrens<br />&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#007700">if(</font><font color="#0000BB">$node</font><font color="#007700">-&gt;</font><font color="#0000BB">hasChildren</font><font color="#007700">()) {<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;foreach(</font><font color="#0000BB">$node</font><font color="#007700">-&gt;</font><font color="#0000BB">child </font><font color="#007700">as </font><font color="#0000BB">$child</font><font color="#007700">) {<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#0000BB">get_php</font><font color="#007700">(</font><font color="#0000BB">$child</font><font color="#007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br />}<br /><br /></font><font color="#0000BB">?&gt;</font>
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</code></TD
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>上例将输出：</P
><TABLE
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><PRE
CLASS="screen"
># PHP node #1
&#60;?php echo '&#60;title&#62;title&#60;/title&#62;'; ?&#62;

# PHP node #2
&#60;?php
echo 'hello world!';
?&#62;</PRE
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>
    </P
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>注意: </B
>
      This function was named <B
CLASS="function"
>tidy_node-&#62;is_php()</B
> in
      PHP 4/Tidy 1.
     </P
></BLOCKQUOTE
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