Example of phpDOMElement for operating xml documents

Example of phpDOMElement for operating xml documents

/* <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 */ 2. php code /** * DOMElement XML * Http://bbs.it-home.org */ $ 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 ); // Add a node $ Xmldoc = new DOMDocument ('1. 0', 'utf-8 '); $ Xmldoc-> load ('datas. XML '); $ Items = $ xmldoc-> getElementsByTagName ('class')-> item (0); // root node $ Student = $ xmldoc-> createElement ('studen'); // create a new student node $ Stu_name = $ xmldoc-> createElement ('name', 'Zhang San '); $ Stu_age = $ xmldoc-> createElement ('age', '15 '); $ Stu_intro = $ xmldoc-> createElement ('Introduction', 'strong hands-on ability and stable scores '); $ Items-> appendChild ($ student ); $ Student-> appendChild ($ stu_name ); $ Student-> appendChild ($ stu_age ); $ Student-> appendChild ($ stu_intro ); $ Bytes = $ xmldoc-> save ('datas. XML '); Echo ($ bytes )? "Written: $ bytes": 'failed to save '; // Delete a node $ Xmldoc = new DOMDocument ('1. 0', 'utf-8 '); $ Xmldoc-> load ('datas. XML '); $ Student = $ xmldoc-> getElementsByTagName ('studen')-> item (2); // locate the node to be deleted. $ Student-> parentNode-> removeChild ($ student); // delete a parent node $ Xmldoc-> save ('datas. XML '); // Modify the node value $ Student = $ xmldoc-> getElementsByTagName ('studen')-> item (2 ); $ Student-> getElementsByTagName ('age')-> item (0)-> nodeValue + = 10; $ Student-> setAttribute ('id', '123 '); $ Xmldoc-> save ('datas. XML '); // Apply Xpath to find nodes $ Xml = new DOMDocument ('1. 0', 'utf-8 '); $ Xml-> load ('Dat. XML '); $ Xpath = new DOMXPath ($ xml ); $ NodeList = $ xpath-> query ('/aaa/bbb/ddd/fff '); Echo $ nodeList-> item (0)-> nodeValue; // SimpleXML class operation xml /* 1001 $200 Daming Tianlong Babu 1002 $321 Zhang San Swordsman 1004 $182 Li Si Reader */ $ Xml = simplexml_load_file ('books. XML '); $ Books = $ xml-> book; Echo $ books [1]-> title. $ books [1] ['House']; // direct to the second book Foreach ($ xml as $ item ){ Echo $ item-> title, '', $ item ['House'],' '; } ?>