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DOMDocument::createEntityReference	DOMDocument::createTextNode

DOMDocument	Last updated: Mon, 26 Oct 2026

DOMDocument::createProcessingInstruction

(PHP 5, PHP 7, PHP 8)

DOMDocument::createProcessingInstruction — Creates new PI node

Description

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

This function creates a new instance of class DOMProcessingInstruction. This node will not show up in the document unless it is inserted with (e.g.) DOMNode::appendChild().

Parameters

target: The target of the processing instruction.
data: The content of the processing instruction.

Return Values

The new DOMProcessingInstruction or false if an error occurred.

Errors/Exceptions

May throw a DOMException with the following error codes:

DOM_INVALID_CHARACTER_ERR: Raised if target contains an invalid character.

See Also

DOMNode::appendChild() - Adds new child at the end of the children
DOMDocument::createAttribute() - Create new attribute
DOMDocument::createAttributeNS() - Create new attribute node with an associated namespace
DOMDocument::createCDATASection() - Create new cdata node
DOMDocument::createComment() - Create new comment node
DOMDocument::createDocumentFragment() - Create new document fragment
DOMDocument::createElement() - Create new element node
DOMDocument::createElementNS() - Create new element node with an associated namespace
DOMDocument::createEntityReference() - Create new entity reference node
DOMDocument::createTextNode() - Create new text node

DOMDocument::createEntityReference	DOMDocument::createTextNode

DOMDocument	Last updated: Mon, 26 Oct 2026