php XML操作小tip
两个方便的DOMDocument小函数1. 取唯一节点的值
function getSingleValue($doc,$node){return $doc->getElementsByTagName($node)->item(0)->nodeValue;}
2. 创建孩子节点
function createChild($doc,$father,$childname,$value="",$cdata=false){$c = $doc->createElement($childname);if($value){if(!$cdata)$text = $doc->createTextNode($value);else$text = $doc->createCDATASection($value);$c->appendChild($text);}$father->appendChild($c);return $c;}
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