Example of adding data to xml file in php

php adds data to xml file

Time: 2015-12-17 06:30:37 Source: Internet

Introduction: php adds data to xml file

xml file: stu.xml:

Copy the codeThe code is as follows:

<?xml version="1.0" encoding="utf-8" ?>
<AllData>
<xueshengmen>
<xuesheng>
<name>Zhang San</name>
< yuwen>80</yuwen>
<shuxue>90</shuxue>
<yingyu>70</yingyu>
</xuesheng>
<xuesheng>
<name>李思</ name>
<yuwen>60</yuwen>
<shuxue>90</shuxue>
<yingyu>75</yingyu>
</xuesheng>
</xueshengmen>
</All Data>

The above file stu.xml provides some student data.
Now you need to add a zongfen attribute to each xuesheng node and its value is equal to the value of yuwen+shuxue+yingyu
as shown below:

Copy the codeThe code is as follows:

<?xml version="1.0" encoding="utf-8" ?>
<AllData>
<xueshengmen>
<xuesheng>
<name>Zhang San</name>
< yuwen>80</yuwen>
<shuxue>90</shuxue>
<yingyu>70</yingyu>
<zongfen>240</zongfen>
</xuesheng>
& lt;xuesheng>
&lt ;name>李思</name>
<yuwen>60</yuwen>
<shuxue>90</shuxue>
<yingyu>75</yingyu>
<zongfen>2225</zongfen >
</xuesheng>
</xueshengmen>
</AllData>

Use php to implement:

Copy the codeThe code is as follows:

<?php
$doc = new DOMDocument();
$doc->load( 'stu.xml' );
$students = $doc->getElementsByTagName( “xuesheng” );
foreach($students as $stu){
$yuwen = $stu->getElementsByTagName( “yuwen” )->item(0)->nodeValue;
$shuxue = $stu->getElementsByTagName( “shuxue” )-> item(0)->nodeValue;
$yingyu = $stu->getElementsByTagName( “yingyu” )->item(0)->nodeValue;
$zongfen = $stu->getElementsByTagName( “zongfen” )->item(0)->nodeValue;
if($zongfen){
echo "The node already exists, no more adding!";
continue;
}
$zongfen = $yuwen+$shuxue+$yingyu;
$newNode = $doc->createElement("zongfen",$zongfen);
$stu->appendChild($newNode);
}
$result = $doc->saveXML('stu.xml') ;
?>

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