DOMDocument::createProcessingInstruction

(PHP 5, PHP 7, PHP 8)

DOMDocument::createProcessingInstruction — Creates new PI node

说明

public DOMDocument::createProcessingInstruction ( string $target , string $data = "" ) : DOMProcessingInstruction|false

This function creates a new instance of class DOMProcessingInstruction. 此节点出现在文档中，除非是用诸如 DOMNode->appendChild() 等函数来将其插入。

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 occurred.

错误／异常

DOM_INVALID_CHARACTER_ERR

Raised if target contains an invalid character.

参见