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PHP xml_set_unparsed_entity_decl_handler() Function


< Complete PHP XML Reference

Definition and Usage

The xml_set_unparsed_entity_decl_handler() function specifies a function to be called when the parser an unparsed entity in the XML document.

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

Syntax

xml_set_unparsed_entity_decl_handler(parser,handler)

Parameter Description
parser Required. Specifies XML parser to use
handler Required. Specifies a function to be when the parser finds a notation declaration

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

Parameter Description
parser Required. Specifies a variable containing the XML parser calling the handler
name Required. Specifies a variable containing the name of the entity
base Required. Specifies a variable containing the base for resolving the system identifier (system_id) of the entity. Currently, this is always NULL
system_id Required. Specifies a variable containing the system identifier for the entity
public_id Required. Specifies a variable containing the public identifier for the entity
notation Required. Specifies a variable containing the notation identifying the data type of the entity

Tips and Notes

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


Example

<?php $parser=xml_parser_create();

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

function unparsed_ent_handler($parser,$entname,
$base,$sysID,$pubID,$notname)
  {
  print "$entname<br />";
  print "$sysID<br />";
  print "$pubID<br />";
  print "$notname<br />";
  }

xml_set_character_data_handler($parser,"char");
xml_set_unparsed_entity_decl_handler($parser,
"unparsed_ent_handler");

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

while ($data=fread($fp,4096))
  {
  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);
?>

< Complete PHP XML Reference