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PHP | XMLWriter endDtdAttlist() Function
  • Last Updated : 18 Mar, 2020

The XMLWriter::endDtdAttlist() function is an inbuilt function in PHP which is used to end current DTD AttList. DTD stands for Document Type Definition which defines the structure and the legal elements and attributes of an XML document. DTD aren’t visible in a webpage because they act like comments. In a DTD, attributes are declared with an ATTLIST declaration.

Syntax:

bool XMLWriter::endDtdAttlist( void )

Parameters: This function doesn’t accept any parameter.

Return Value: This function returns TRUE on success or FALSE on failure.

Below examples illustrate the XMLWriter::endDtdAttlist() function in PHP:



Example 1:

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<?php
  
// Create a new XMLWriter instance
$writer = new XMLWriter();
    
// Create the output stream as PHP
$writer->openURI('php://output');
    
// Start the document
$writer->startDocument('1.0', 'UTF-8');
   
// Start the Dtd Attlist
$writer->startDtdAttlist('geeksforgeeks');
    
// End the Dtd Attlist
$writer->endDtdAttlist();
    
// End the document
$writer->endDocument();
?>

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Output:

<?xml version="1.0" encoding="UTF-8"?>
<!ATTLIST geeksforgeeks>

Example 2:

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<?php
  
// Create a new XMLWriter instance
$writer = new XMLWriter();
     
// Create the output stream as PHP
$writer->openURI('php://output');
     
// Start the document
$writer->startDocument('1.0', 'UTF-8');
    
// Start the Dtd Attlist
$writer->startDtdAttlist('This_is_not_visible_in_webpage');
     
// End the Dtd Attlist
$writer->endDtdAttlist();
  
// Add text to document
$writer->text('geeksforgeeks');
     
// End the document
$writer->endDocument();
?>

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Output:

<?xml version="1.0" encoding="UTF-8"?>
<!ATTLIST This_is_not_visible_in_webpage>
geeksforgeeks

Reference: https://www.php.net/manual/en/function.xmlwriter-end-dtd-attlist.php




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