本文实例报告了php读取XML的罕见要领。分享给人人供人人参考,细致以下:
xml源文件
<?xml version="1.0 encoding="UTF-8"?> <humans> <zhangying> <name>张映</name> <sex>男</sex> <old>28</old> </zhangying> <tank> <name>tank</name> <sex>男</sex> <old>28</old> </tank> </humans>
1)DOMDocument读取xml
<?php $doc = new DOMDocument(); $doc->load('person.xml'); //读取xml文件 $humans = $doc->getElementsByTagName( "humans" ); //获得humans标签的对象数组 foreach( $humans as $human ) { $names = $human->getElementsByTagName( "name" ); //获得name的标签的对象数组 $name = $names->item(0)->nodeValue; //获得node中的值,如<name> </name> $sexs = $human->getElementsByTagName( "sex" ); $sex = $sexs->item(0)->nodeValue; $olds = $human->getElementsByTagName( "old" ); $old = $olds->item(0)->nodeValue; echo "$name - $sex - $old\n"; } ?>
2)simplexml读取xml
<?php $xml_array=simplexml_load_file('person.xml'); //将XML中的数据,读取到数组对象中 foreach($xml_array as $tmp){ echo $tmp->name."-".$tmp->sex."-".$tmp->old."<br>"; } ?>
3)用php正则表达式来读取数据
<?php $xml = ""; $f = fopen('person.xml', 'r'); while( $data = fread( $f, 4096 ) ) { $xml .= $data; } fclose( $f ); // 上面读取数据 preg_match_all( "/\<humans\>(.*?)\<\/humans\>/s", $xml, $humans ); //婚配最外层标签内里的内容 foreach( $humans[1] as $k=>$human ) { preg_match_all( "/\<name\>(.*?)\<\/name\>/", $human, $name ); //婚配出名字 preg_match_all( "/\<sex\>(.*?)\<\/sex\>/", $human, $sex ); //婚配出性别 preg_match_all( "/\<old\>(.*?)\<\/old\>/", $human, $old ); //婚配出岁数 } foreach($name[1] as $key=>$val){ echo $val." - ".$sex[$key][1]." - ".$old[$key][1]."<br>" ; } ?>
4)xmlreader来读取xml数据
<?php $reader = new XMLReader(); $reader->open('person.xml'); //读取xml数据 $i=1; while ($reader->read()) { //是不是读取 if ($reader->nodeType == XMLReader::TEXT) { //推断node范例 if($i%3) { echo $reader->value; //获得node的值 } else { echo $reader->value."<br>" ; } $i++; } } ?>
以上就是php读取XML的四种要领实例详解的细致内容,更多请关注ki4网别的相干文章!