Example of DOMElement xml file operation in php _ PHP

You may have heard about the DOMElement xml operation. next we will introduce it to you as an example. if you are interested, refer to the following, The code is as follows:
// Store your html into $ html variable.
$ Html ="

Rakesh Verma


Example
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Yahoo

";
$ Dom = new DOMDocument ();
$ Dom-> loadHTML ($ html );
// Evaluate Anchor tag in HTML
$ Xpath = new DOMXPath ($ dom );
$ Hrefs = $ xpath-> evaluate ("/html/body // ");
For ($ I = 0; $ I <$ hrefs-> length; $ I ++ ){
$ Href = $ hrefs-> item ($ I );
$ Url = $ href-> getAttribute ('href ');
// Remove and set target attribute
$ Href-> removeAttribute ('target ');
$ Href-> setAttribute ("target", "_ blank ");
$ NewURL = $ url. ". au ";
// Remove and set href attribute
$ Href-> removeAttribute ('href ');
$ Href-> setAttribute ("href", $ newURL );
}
// Save html
$ Html = $ dom-> saveHTML ();
Echo $ html;
?>

Example 2
The code is as follows:
/*




<班级>
<学生 number="101">
<名字> Sun Wukong
<名字> Sun Walker
<年龄> 123
<介绍>&*$%特殊字串^&#$&

<学生 number="10" 2">
<名字> Bai Gujing
<年龄> 140
<介绍> Introduction


*/
$ Xmldoc = new DOMDocument ('1. 0', 'utf-8 ');
$ Xmldoc-> load ('datas. XML ');
$ ItemsNodeList = $ xmldoc-> getElementsbyTagName ('studen ');
$ ItemElement = $ itemsNodeList-> item (0); // obtain the first complete student information node.
$ ItemChildsNodeList = $ itemElement-> getElementsbyTagName ('name'); // Obtain the subnode "name", which may have multiple names
$ ItemChildNode = $ itemChildsNodeList-> item (0); // obtain the first name node.
Echo $ itemChildNode-> nodeValue; // output node value
// Encapsulate it into a function
$ NodeArr = array ('name', 'age', 'Introduction ');
Function getNodeVal ($ xmldoc, $ itemsName, $ nodeArr ){
$ Items = $ xmldoc-> getElementsByTagName ($ itemsName );
For ($ I = 0; $ I <$ items-> length; $ I ++ ){
$ Item = $ items-> item ($ I );
Foreach ($ nodeArr as $ node ){
$ Data [$ I] [] = $ item-> getElementsByTagName ($ node)-> item (0)-> nodeValue;
}
}
Return $ data;
}
$ Data = getNodeVal ($ xmldoc, 'Student ', $ nodeArr );
Print_r ($ data );