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PHP DOMDocument createProcessingInstruction () function

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Syntax:
DOMProcessingInstruction DOMDocument::createProcessingInstruction ($target, $data)
Parameters:this function takes two parameters as above and described below:
  • $target:this parameter contains the target of the processing instruction.
  • $data:this parameter contains the content of the processing instruction.
Return value:this function returns a new DOMProcessingInstruction on success or FALSE on error.The following programs illustrate the DOMDocument::createProcessingInstruction() function in PHP:Program 1:  
/ / Create new DOMDocument $ domDocument = new DOMDocument ( ’ 1.0’ , ’iso-8859-1’ );  
// Use the createProcessingInstruction() function to create
// new node Processing instructions $domPI = $domDocument -> createProcessingInstruction ( "name" , "GeeksforGeeks" );  
// Add element to document $domDocument -> appendChild ( $domPI );  
// Create an XML document and display it echo $domDocument -> saveXML();  
?>
Exit:
 
Program 2:  
// Create a new DOMDocument $domDocument = new DOMDocument ( ’ 1.0’ , ’iso-8859-1’ );  
// Use the createProcessingInstruction() function to create
// new node Processing instructions $domPI1 = $domDocument -> createProcessingInstruction ( "name" , "GeeksforGeeks" ); $domPI2 = $domDocument -> createProcessingInstruction ( "contact" , "Noida" ); $domPI3 = $domDocument -> createProcessingInstruction ( "email" , "[email protected]" );  
// Add an element to the document $domDocument -> appendChild ( $domPI1 ); $domDocument -> appendChild ( $domPI2 ); $domDocument -> appendChild ( $domPI3 );  
// Create an XML document and display it echo $domDocument -> saveXML();  
?>
Exit:
   
Link: https://www.php.net/ manual / en / domdocument.createprocessinginstruction.php

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