(PHP 5)
DOMDocument::createCDATASection — Create new cdata node
This function creates a new instance of class DOMCDATASection. 本节点不会出现在文档中，除非是用例如 DOMNode->appendChild() 函数来将其插入。
The content of the cdata.
The new DOMCDATASection or FALSE if an error occured.