DOMDocument::createEntityReference
DOMDocument::createTextNode
DOMDocument
PHP Manual

# DOMDocument::createProcessingInstruction

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DOMDocument::createProcessingInstruction — Creates new PI node

### Description

DOMProcessingInstruction DOMDocument::createProcessingInstruction ( string `$target` [, string `$data` ] )

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 occured.

### Errors/Exceptions

`DOM_INVALID_CHARACTER_ERR`

  Raised if `target` contains an invalid character.

### See Also

- DOMNode::appendChild
- DOMDocument::createAttribute
- DOMDocument::createAttributeNS
- DOMDocument::createCDATASection
- DOMDocument::createComment
- DOMDocument::createDocumentFragment
- DOMDocument::createElement
- DOMDocument::createElementNS
- DOMDocument::createEntityReference
- DOMDocument::createTextNode

DOMDocument::createEntityReference
DOMDocument::createTextNode
DOMDocument
PHP Manual