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:
<?php
// Initialize the XML parser
$parser = xml_parser_create();
// Function to use at the start of an element
function start($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 element
function stop($parser, $element_name)
{
echo "<br / ";
}
// Function to use when finding character data
function char($parser, $data)
{
echo $data;
}
// Specify element handler
xml_set_element_handler($parser, "start", "stop");
// Specify data handler
xml_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($parser)));
// Free the XML parser
xml_parser_free($parser);
?
运行结果:
— Note — To: George From: John Heading: Reminder Message: Don’t forget the meeting! — Note — To: George2 From: John2 Heading: Reminder2 Message: Don’t forget the meeting!2
PS:这里再为大家提供几款关于xml操作的在线工具供大家参考使用:
在线XML/JSON互相转换工具: http://tools.zalou.cn/code/xmljson
在线格式化XML/在线压缩XML: http://tools.zalou.cn/code/xmlformat
XML在线压缩/格式化工具: http://tools.zalou.cn/code/xml_format_compress
XML代码在线格式化美化工具: http://tools.zalou.cn/code/xmlcodeformat
更多关于PHP相关内容感兴趣的读者可查看本站专题:《PHP针对XML文件操作技巧总结》、《PHP数组(Array)操作技巧大全》、《php字符串(string)用法总结》、《php面向对象程序设计入门教程》、《php+mysql数据库操作入门教程》及《php常见数据库操作技巧汇总》
希望本文所述对大家PHP程序设计有所帮助。