PHP parsing XML document properties and editing the code

Read XML $dom =new DOMDocument (' 1.0 '); $dom->load (' Data.xml '); $em = $dom->getelementsbytagname (' videos ');//Outermost node $em = $em->item (0); $items = $em->getelementsbytagname (' video ');//Node If you do not need to read directly add the following paragraph can be removed foreach ($items as $a) { foreach ($a->attributes as $b) {//$b the value of the->nodevalue; node property $b->nodename; The name of the node property Echo $b->nodename; echo ":"; Echo $b->nodevalue; echo " "; } } The following is a new write to the XML line $t = $dom->createelement (' video ');//<> $t->setattribute (' title ', ' 1 ');// $t->setattribute (' src ', ' 2 ');// $t->setattribute (' img ', ' 1 ');// $em->appendchild ($t);// $dom->save (' Data.xml '); ?> Copy Code XML document at the time: Copy Code The following is the last change to modify the XML file: $doc = new DOMDocument (); $doc->load (' Data.xml '); Find Videos nodes $root = $doc->getelementsbytagname (' videos '); First Videos node $root = $root->item (0); Find the video node under the videos node $userid = $root->getelementsbytagname (' video '); Traverse All video nodes foreach ($userid as $rootdata) { Traverse all properties of each video node foreach ($rootdata->attributes as $attrib) { $attribName = $attrib->nodename; NodeName is the property name $attribValue = $attrib->nodevalue; NodeValue as attribute content Find node content with property name IP if ($attribName = = ' img ') { Find the content of the node with the property content as IP if ($attribValue = = ' 1 ') { Modify the property to img,img content of 1 to image; $rootdata->setattribute (' img ', ' image '); $doc->save (' Data.xml '); } } } } ?> Copy Code Scripting Academy Editor's recommendation: PHP Read XML class PHP XML document parsing function Learning instance PHP parsing XML data A piece of code PHP read XML several ways PHP uses the DOM class to read the XML file of the code example to learn PHP operation XML class DOMDocument

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