DOMDocument::createProcessingInstruction Creates new PI node &reftitle.description; DOMProcessingInstructionDOMDocument::createProcessingInstruction stringtarget stringdata This function creates a new instance of class DOMProcessingInstruction. &dom.node.inserted; &reftitle.parameters; target The target of the processing instruction. data The content of the processing instruction. &reftitle.returnvalues; The new DOMProcessingInstruction or &false; if an error occured. &reftitle.errors; DOM_INVALID_CHARACTER_ERR Raised if target contains an invalid character. &reftitle.seealso; DOMNode::appendChild DOMDocument::createAttribute DOMDocument::createAttributeNS DOMDocument::createCDATASection DOMDocument::createComment DOMDocument::createDocumentFragment DOMDocument::createElement DOMDocument::createElementNS DOMDocument::createEntityReference DOMDocument::createTextNode