DOMDocument::getElementById
Following Example is of multiple attributes and multiple child nodes. this is being used to make joomla plugin for bulk upload of articles. Gurmukh Singh Bhatti
<?php
$xml =<<<EOT
<?xml version="1.0"?>
<root>
<section name="Section1">
<category id="Category1" name="google">
<arti name="article1">
<p>any html code here</p>
<b>my name is so so</b>
</arti>
<arti name="article2">value2</arti>
<arti name="article3">value3</arti>
<arti name="article4">value4</arti>
</category>
<category id="Category2" name="yahoo">
<arti name="articleSection2">Test value</arti>
</category>
</section>
<section name="Section2">
<category id="category1_of_section2" name="msn">
<arti name="article2">value1</arti>
<arti name="article3">value2</arti>
</category>
<category id="Category2_of_section2" name="webcare">
<arti name="param3">value4</arti>
</category>
</section>
</root>
EOT;
$dom = new DomDocument;
$dom->preserveWhiteSpace = FALSE;
$dom->loadXML($xml);
$params = $dom->getElementsByTagName('section'); // Find Sections
$k=0;
foreach ($params as $param) //go to each section 1 by 1
{
echo "Section Attribute :-> ".$params->item($k)->getAttribute('name')."<br>"; //get section attribute
$params2 = $params->item($k)->getElementsByTagName('category'); //digg categories with in Section
$i=0; // values is used to iterate categories
foreach ($params2 as $p) {
echo " - Category Attribute Name :-> ".$params2->item($i)->getAttribute('name')."<br>"; //get Category attributes
$params3 = $params2->item($i)->getElementsByTagName('arti'); //dig Arti into Categories
$j=0;//values used to interate Arti
foreach ($params3 as $p2)
{
echo " - Article Attribute Name : ".$params3->item($j)->getAttribute('name').""; //get arti atributes
echo " Value : ".$params3->item($j)->nodeValue."<br>"; //get Node value ;
$j++;
}
$i++;
}
$k++;
}
?>
output :
Section Attribute :-> Section1
- Category Attribute Name :-> google
- Article Attribute Name : article1 Value : any html code heremy name is so so
- Article Attribute Name : article2 Value : value2
- Article Attribute Name : article3 Value : value3
- Article Attribute Name : article4 Value : value4
- Category Attribute Name :-> yahoo
- Article Attribute Name : articleSection2 Value : Test value
Section Attribute :-> Section2
- Category Attribute Name :-> msn
- Article Attribute Name : article2 Value : value1
- Article Attribute Name : article3 Value : value2
- Category Attribute Name :-> webcare
- Article Attribute Name : param3 Value : value4
DOMDocument::getElementsByTagName
(PHP 5)
DOMDocument::getElementsByTagName — 指定したタグ名に対応するすべての要素を検索する
説明
この関数は、指定したタグ名の要素を含む DOMNodeList クラスの新しいインスタンスを返します。
パラメータ
- name
-
タグ名に一致する名前。* はすべてのタグに一致します。
返り値
一致するすべての要素を含む、新しい DOMNodeList オブジェクトを返します。
add a note
User Contributed NotesDOMDocument::getElementsByTagName
gurmukh24 at gmail dot com
03-Mar-2009 09:06
03-Mar-2009 09:06
StudioAMK.com
10-Oct-2008 12:09
10-Oct-2008 12:09
<?php
$doc = new DOMDocument();
$doc->load( 'Users.xml' );
$dataset = $doc->getElementsByTagName( "dataUser" );
foreach( $dataset as $row )
{
$xmlUserNames = $row->getElementsByTagName( "UserName" );
$xmlUserName = $xmlUserNames->item(0)->nodeValue;
$xmlEmails = $row->getElementsByTagName( "Email" );
$xmlEmail = $xmlEmails->item(0)->nodeValue;
$xmlDisplayNames = $row->getElementsByTagName( "DisplayName" );
$xmlDisplayName = $xmlDisplayNames->item(0)->nodeValue;
echo "$xmlUserName - $xmlEmail - $xmlDisplayName\n";
}
?>
Contents in Users.xml
<NewDataSet>
<dataUser>
<UserName>StudioAMK</UserName>
<Email>user1@mail.com</Email>
<DisplayName>StudioAMK.com</DisplayName>
</dataUser>
<dataUser>
<UserName>User2</UserName>
<Email>user2@mail.com</Email>
<DisplayName>UserTwo</DisplayName>
</dataUser>
</NewDataSet>
James L
19-Aug-2008 08:04
19-Aug-2008 08:04
Return if there are no matches is an empty DOMNodeList. Check using length property, e.g.:
<?php
$nodes=$domDocument->getElementsByTagName('book') ;
if ($nodes->length==0) {
// no results
}
?>
jason at shaped dot ca
11-Feb-2008 09:59
11-Feb-2008 09:59
in response to tildy at pr dot hu
my preferred way is (in example to gather country data from an iso 3166 xml flie)
$countries = new DOMDocument();
$countries->load("./lib/iso_3166.xml");
$countriesList = $countries->getElementsByTagName("ISO_3166-1_Entry");
foreach($countriesList as $country) {
$values = $country->getElementsByTagName("*");
foreach($values as $node) {
echo $node->nodeName."=".$node->nodeValue;
}
}
tildy at pr dot hu
13-Dec-2007 09:51
13-Dec-2007 09:51
If you want to list the nodename and value of one item(node) this is an example:
$itemnodes = $doc->getElementsByTagName( "item" );
$nodes = $itemnodes->item(0)->getElementsByTagName( "*" );
for ( $i = 0; $i < $nodes->length; $i++ ) {
print "nodename=".$nodes->item( $i )->nodeName;
print "\t";
print "nodevalue : ".$nodes->item( $i )->nodeValue;
print "\r\n";
}
It will be list all children name and value of item.
Francois Hill
30-Jul-2007 11:36
30-Jul-2007 11:36
Careful : getElementsByTagName will yield all elements with the given tag name under the present node, at any sub-level (i.e. among child nodes and all other descendant nodes)
Finding values of a node
14-Mar-2007 07:01
14-Mar-2007 07:01
I don't know if this is that obvious but it was not for me, so in addition to gem at rellim dot com's posting:
adding
<?php
echo $param -> nodeValue.'<br>';
?>
to the loop will output
value1
value2
value3
gem at rellim dot com
30-Sep-2004 08:20
30-Sep-2004 08:20
Here is an example of getElementsByTagName():
<?php
$xml =<<<EOT
<?xml version="1.0"?>
<config>
<section id="section1">
<param name="param1">value1</param>
<param name="param2">value2</param>
</section>
<section id="section2">
<param name="param3">value3</param>
</section>
</config>
EOT;
$dom = new DomDocument;
$dom->preserveWhiteSpace = FALSE;
$dom->loadXML($xml);
$params = $dom->getElementsByTagName('param');
foreach ($params as $param) {
echo $param -> getAttribute('name').'<br>';
}
?>
Expected result:
--------------
param1
param2
param3