本文实例讲述了php 使用expat方式解析xml文件操作。分享给大家供大家参考，具体如下：
test.xml：
<?xml version="1.0" encoding="utf-8"?><notes> <note> <to>george</to> <from>john</from> <heading>reminder</heading> <body>don't forget the meeting!</body> </note> <note> <to>george2</to> <from>john2</from> <heading>reminder2</heading> <body>don't forget the meeting!2</body> </note> <instances> <instance st="192.168.234.121" /> <instance st="192.168.234.28" /> </instances></notes>
php文件：（免费学习视频教程分享：php视频教程）
<?php// initialize the xml parser$parser = xml_parser_create();// function to use at the start of an elementfunction start($parser, $element_name, $element_attrs){ switch ($element_name) { case "note": echo "-- note --<br />"; break; case "to": echo "to: "; break; case "from": echo "from: "; break; case "heading": echo "heading: "; break; case "body": echo "message: "; }}// function to use at the end of an elementfunction stop($parser, $element_name){ echo "<br />";}// function to use when finding character datafunction char($parser, $data){ echo $data;}// specify element handlerxml_set_element_handler($parser, "start", "stop");// specify data handlerxml_set_character_data_handler($parser, "char");// open xml file// $fp = fopen("test.xml", "r");// read data// while ($data = fread($fp, 10)) {// xml_parse($parser, $data, feof($fp)) or die(sprintf("xml error: %s at line %d", xml_error_string(xml_get_error_code($parser)), xml_get_current_line_number($parser)));// }// fclose($fp);$data = file_get_contents("test.xml");xml_parse($parser, $data) or die(sprintf("xml error: %s at line %d", xml_error_string(xml_get_error_code($parser)), xml_get_current_line_number($parser)));// free the xml parserxml_parser_free($parser);?>
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以上就是php实现利用expat方式解析xml文件的详细内容。