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PHP - XMLReader::getParserProperty() Function



Definition and Usage

XML is a mark-up language to share the data across the web, XML is for both human read-able and machine read-able. XMLReader extension is used to read/retrieve the contents of an XML document i.e. using the methods of the XMLReader class you can read each node of an XML document.

The XMLReader::getParserProperty() function of the XMLReader class accepts an integer value representing a property (parser option) as a parameter and returns TRUE if the specified property is set on the current XML reader.

Syntax

XMLReader::getParserProperty($property);

Parameters

Sr.No Parameter & Description
1

property(Mandatory)

This is an integer value representing the property/option you need to set. It can be one of the following −

  • XMLReader::LOADDTD

  • XMLReader::DEFAULTATTRS

  • XMLReader::VALIDATE

  • XMLReader::SUBST_ENTITIES

Return Values

This function returns a boolean value which is TRUE in case of success and FALSE in case of failure.

PHP Version

This function was first introduced in PHP Version 5 and works in all the later versions.

Example

Following example demonstrates the usage of the XMLReader::getParserProperty() function −

data.xml

<Data>
   <Employee>
      <Name>Krishna</Name>
      <Age>22</Age>
      <City>Hyderabad</City>   
   </Employee>

   <Employee>
      <Name>Raju</Name>
      <Age>30</Age>
      <City>Delhi</City>
   </Employee>
</Data>

sample.php

<?php
   //Creating an XMLReader
   $reader = new XMLReader();

   //Opening a reader
   $reader->open("data.xml");

   //Setting the parser property 
   $reader->setParserProperty(XMLReader::VALIDATE, true); 

   $bool = $reader->getParserProperty(XMLReader::VALIDATE); 
   if ($bool) { 
       print("Property is set"); 
   } 

   //Closing the reader
   $reader->close();
?> 

This will produce following result −

Property is set 

Example

Following is another example of this function −

<?php
   //Creating an XMLReader
   $reader = new XMLReader();

   $data = '<data> 
      <name>Raju</name> 
      <age>32</age> 
      <phone>9848022338</phone> 
      <city>Hyderabad</city>
   </data> ';

   //Opening a reader
   $reader->xml($data);

   //Setting the parser property 
   $reader->setParserProperty(XMLReader::SUBST_ENTITIES, true); 
   $reader->setParserProperty(XMLReader::LOADDTD, true); 
   $reader->setParserProperty(XMLReader::DEFAULTATTRS, true); 
   $reader->setParserProperty(XMLReader::VALIDATE, true); 
   $bool1 = $reader->getParserProperty(XMLReader::SUBST_ENTITIES); 
   
   if ($bool1) { 
      print("The SUBST_ENTITIES Property is set \n"); 
   } 
   $bool1 = $reader->getParserProperty(XMLReader::LOADDTD); 
   
   if ($bool1) { 
      print("The LOADDTD Property is set \n"); 
   } $bool1 = $reader->getParserProperty(XMLReader::DEFAULTATTRS); 
   
   if ($bool1) { 
      print("The DEFAULTATTRS Property is set \n"); 
   } $bool1 = $reader->getParserProperty(XMLReader::VALIDATE); 
   
   if ($bool1) { 
      print("The VALIDATE Property is set"); 
   } 
   //Closing the reader
   $reader->close();
?> 

This will produce following result −

The SUBST_ENTITIES Property is set
The LOADDTD Property is set
The DEFAULTATTRS Property is set
The VALIDATE Property is set
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