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# DOMDocument->createProcessingInstruction()

(no version information, might be only in CVS)

DOMDocument->createProcessingInstruction() -- Creates new PI node

## 说明

class DOMDocument {
DOMProcessingInstruction createProcessingInstruction ( string target [, string data] )
}

This function creates a new instance of class DOMProcessingInstruction. 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。

## 参数

`target`

  The target of the processing instruction.

`data`

  The content of the processing instruction.

## 返回值

The new DOMProcessingInstruction or `FALSE` if an error occured.

## 错误／异常

`DOM_INVALID_CHARACTER_ERR`

  Raised if `target` contains an invalid character.

## 参见

DOMNode->appendChild()
DOMDocument->createAttribute()
DOMDocument->createAttributeNS()
DOMDocument->createCDATASection()
DOMDocument->createComment()
DOMDocument->createDocumentFragment()
DOMDocument->createElement()
DOMDocument->createElementNS()
DOMDocument->createEntityReference()
DOMDocument->createTextNode()

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