(no version information, might be only in CVS)
DOMDocument->createProcessingInstruction -- Creates new PI nodeThis function returns a new instance of class DOMProcessingInstruction. The content of the pi is the value of the passed parameter. 本节点不会出现在文档中,除非是用例如 DOMNode->appendChild() 来插入的。
The return value is FALSE if an error occurred.
See also DOMNode->appendChild(), DOMDocument->createElement(), DOMDocument->createAttribute() and DOMDocument->createComment().