example.xml-map-tags.html
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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>XML Tag Mapping Example</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="xml.examples.html">Examples</a></div> <div class="next" style="text-align: right; float: right;"><a href="example.xml-external-entity.html">XML External Entity Example</a></div> <div class="up"><a href="xml.examples.html">Examples</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="example.xml-map-tags" class="section"> <h2 class="title">XML Tag Mapping Example</h2> <p class="para"> <div class="example"> <p><b>Example #1 Map XML to HTML</b></p> <div class="example-contents"><p> This example maps tags in an XML document directly to HTML tags. Elements not found in the "map array" are ignored. Of course, this example will only work with a specific XML document type. </p></div> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />$file </span><span style="color: #007700">= </span><span style="color: #DD0000">"data.xml"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$map_array </span><span style="color: #007700">= array(<br /> </span><span style="color: #DD0000">"BOLD" </span><span style="color: #007700">=> </span><span style="color: #DD0000">"B"</span><span style="color: #007700">,<br /> </span><span style="color: #DD0000">"EMPHASIS" </span><span style="color: #007700">=> </span><span style="color: #DD0000">"I"</span><span style="color: #007700">,<br /> </span><span style="color: #DD0000">"LITERAL" </span><span style="color: #007700">=> </span><span style="color: #DD0000">"TT"<br /></span><span style="color: #007700">);<br /><br />function </span><span style="color: #0000BB">startElement</span><span style="color: #007700">(</span><span style="color: #0000BB">$parser</span><span style="color: #007700">, </span><span style="color: #0000BB">$name</span><span style="color: #007700">, </span><span style="color: #0000BB">$attrs</span><span style="color: #007700">) <br />{<br /> global </span><span style="color: #0000BB">$map_array</span><span style="color: #007700">;<br /> if (isset(</span><span style="color: #0000BB">$map_array</span><span style="color: #007700">[</span><span style="color: #0000BB">$name</span><span style="color: #007700">])) {<br /> echo </span><span style="color: #DD0000">"<$map_array[$name]>"</span><span style="color: #007700">;<br /> }<br />}<br /><br />function </span><span style="color: #0000BB">endElement</span><span style="color: #007700">(</span><span style="color: #0000BB">$parser</span><span style="color: #007700">, </span><span style="color: #0000BB">$name</span><span style="color: #007700">) <br />{<br /> global </span><span style="color: #0000BB">$map_array</span><span style="color: #007700">;<br /> if (isset(</span><span style="color: #0000BB">$map_array</span><span style="color: #007700">[</span><span style="color: #0000BB">$name</span><span style="color: #007700">])) {<br /> echo </span><span style="color: #DD0000">"</$map_array[$name]>"</span><span style="color: #007700">;<br /> }<br />}<br /><br />function </span><span style="color: #0000BB">characterData</span><span style="color: #007700">(</span><span style="color: #0000BB">$parser</span><span style="color: #007700">, </span><span style="color: #0000BB">$data</span><span style="color: #007700">) <br />{<br /> echo </span><span style="color: #0000BB">$data</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">$xml_parser </span><span style="color: #007700">= </span><span style="color: #0000BB">xml_parser_create</span><span style="color: #007700">();<br /></span><span style="color: #FF8000">// use case-folding so we are sure to find the tag in $map_array<br /></span><span style="color: #0000BB">xml_parser_set_option</span><span style="color: #007700">(</span><span style="color: #0000BB">$xml_parser</span><span style="color: #007700">, </span><span style="color: #0000BB">XML_OPTION_CASE_FOLDING</span><span style="color: #007700">, </span><span style="color: #0000BB">true</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">xml_set_element_handler</span><span style="color: #007700">(</span><span style="color: #0000BB">$xml_parser</span><span style="color: #007700">, </span><span style="color: #DD0000">"startElement"</span><span style="color: #007700">, </span><span style="color: #DD0000">"endElement"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">xml_set_character_data_handler</span><span style="color: #007700">(</span><span style="color: #0000BB">$xml_parser</span><span style="color: #007700">, </span><span style="color: #DD0000">"characterData"</span><span style="color: #007700">);<br />if (!(</span><span style="color: #0000BB">$fp </span><span style="color: #007700">= </span><span style="color: #0000BB">fopen</span><span style="color: #007700">(</span><span style="color: #0000BB">$file</span><span style="color: #007700">, </span><span style="color: #DD0000">"r"</span><span style="color: #007700">))) {<br /> die(</span><span style="color: #DD0000">"could not open XML input"</span><span style="color: #007700">);<br />}<br /><br />while (</span><span style="color: #0000BB">$data </span><span style="color: #007700">= </span><span style="color: #0000BB">fread</span><span style="color: #007700">(</span><span style="color: #0000BB">$fp</span><span style="color: #007700">, </span><span style="color: #0000BB">4096</span><span style="color: #007700">)) {<br /> if (!</span><span style="color: #0000BB">xml_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$xml_parser</span><span style="color: #007700">, </span><span style="color: #0000BB">$data</span><span style="color: #007700">, </span><span style="color: #0000BB">feof</span><span style="color: #007700">(</span><span style="color: #0000BB">$fp</span><span style="color: #007700">))) {<br /> die(</span><span style="color: #0000BB">sprintf</span><span style="color: #007700">(</span><span style="color: #DD0000">"XML error: %s at line %d"</span><span style="color: #007700">,<br /> </span><span style="color: #0000BB">xml_error_string</span><span style="color: #007700">(</span><span style="color: #0000BB">xml_get_error_code</span><span style="color: #007700">(</span><span style="color: #0000BB">$xml_parser</span><span style="color: #007700">)),<br /> </span><span style="color: #0000BB">xml_get_current_line_number</span><span style="color: #007700">(</span><span style="color: #0000BB">$xml_parser</span><span style="color: #007700">)));<br /> }<br />}<br /></span><span style="color: #0000BB">xml_parser_free</span><span style="color: #007700">(</span><span style="color: #0000BB">$xml_parser</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> </div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="xml.examples.html">Examples</a></div> <div class="next" style="text-align: right; float: right;"><a href="example.xml-external-entity.html">XML External Entity Example</a></div> <div class="up"><a href="xml.examples.html">Examples</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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