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PHP xml_set_character_data_handler() Function

In this chapter you will learn:

  1. Description for PHP xml_set_character_data_handler() Function
  2. Syntax for PHP xml_set_character_data_handler() Function
  3. Parameter for PHP xml_set_character_data_handler() Function
  4. Notes for PHP xml_set_character_data_handler() Function
  5. Return for PHP xml_set_character_data_handler() Function
  6. Example - Set the character data handler for the XML parser

Description

The xml_set_character_data_handler() function sets the character data handler for the XML parser.

This function specifies what function to be called when the parser finds character data in the XML file.

Syntax

PHP xml_set_character_data_handler() Function has the following syntax.

xml_set_character_data_handler(parser,handler)

Parameter

Parameteris RequiredDescription
parserRequired.XML parser to use
handlerRequired.A function to be used as an event handler

The Function specified by the "handler" parameter must have two parameters:

ParameterIs RequiredDescription
parserRequired.A variable containing the XML parser calling the handler
dataRequired.A variable containing the character data from the XML file as a string

Notes

The handler parameter can also be an array containing an object reference and a method name.

Return

This function returns TRUE on success, or FALSE on failure.

Example


<?xml version="1.0" encoding="ISO-8859-1"?>
<books>//ja v a 2 s . c o m
  <name>PHP</name>
  <name>Java</name>
</books>

PHP Code


<?php/*ja v  a 2  s.com*/
$parser=xml_parser_create();

function char($parser,$data){
  echo $data;
}

xml_set_character_data_handler($parser,"char");
$fp=fopen("test.xml","r");

while ($data=fread($fp,1024)){
  xml_parse($parser,$data,feof($fp)) or 
    die (sprintf("XML Error: %s at line %d", 
           xml_error_string(xml_get_error_code($parser)),
               xml_get_current_line_number($parser)));
}

xml_parser_free($parser);
?>

Next chapter...

What you will learn in the next chapter:

  1. Description for PHP xml_set_default_handler() Function
  2. Syntax for PHP xml_set_default_handler() Function
  3. Parameter for PHP xml_set_default_handler() Function
  4. Return for PHP xml_set_default_handler() Function
  5. Example - Set the default data handler for the XML parser
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