THE WORLD'S LARGEST WEB DEVELOPER SITE

PHP Tutorial

PHP HOME PHP Intro PHP Install PHP Syntax PHP Comments PHP Variables PHP Echo / Print PHP Data Types PHP Strings PHP Numbers PHP Constants PHP Operators PHP If...Else...Elseif PHP Switch PHP Loops PHP Functions PHP Arrays PHP Superglobals

PHP Forms

PHP Form Handling PHP Form Validation PHP Form Required PHP Form URL/E-mail PHP Form Complete

PHP Advanced

PHP Date and Time PHP Include PHP File Handling PHP File Open/Read PHP File Create/Write PHP File Upload PHP Cookies PHP Sessions PHP Filters PHP Filters Advanced PHP JSON

PHP OOP

PHP What is OOP PHP Classes/Objects PHP Constructor PHP Destructor PHP Access Modifiers PHP Inheritance PHP Constants PHP Abstract Classes PHP Traits PHP Static Methods PHP Static Properties

MySQL Database

MySQL Database MySQL Connect MySQL Create DB MySQL Create Table MySQL Insert Data MySQL Get Last ID MySQL Insert Multiple MySQL Prepared MySQL Select Data MySQL Where MySQL Order By MySQL Delete Data MySQL Update Data MySQL Limit Data

PHP XML

PHP XML Parsers PHP SimpleXML Parser PHP SimpleXML - Get PHP XML Expat PHP XML DOM

PHP - AJAX

AJAX Intro AJAX PHP AJAX Database AJAX XML AJAX Live Search AJAX Poll

PHP Examples

PHP Examples PHP Quiz PHP Exercises PHP Certificate

PHP Reference

PHP Overview PHP Array PHP Calendar PHP Date PHP Directory PHP Error PHP Filesystem PHP Filter PHP FTP PHP JSON PHP Libxml PHP Mail PHP Math PHP Misc PHP MySQLi PHP Network PHP SimpleXML PHP Stream PHP String PHP Variable Handling PHP XML Parser PHP Zip PHP Timezones

PHP xml_set_external_entity_ref_handler() Function

❮ PHP XML Parser Reference

Example

Create an XML parser, set character data handler, set external entity reference handler, and parse an XML document:

<?php
// Create an XML parser
$parser=xml_parser_create();

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

function ext_ent_handler($parser,$ent,$base,$sysID,$pubID)  {
echo "$ent<br>";
echo "$sysID<br>";
echo "$pubID<br>";
}

// Set the character data handler
xml_set_character_data_handler($parser,"char");

// Set the external entity reference handler
xml_set_external_entity_ref_handler($parser, "ext_ent_handler");

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

while ($data=fread($fp,4096)) {
  // Parse XML data
  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($parser);
fclose($fp);
?>


Definition and Usage

The xml_set_external_entity_ref_handler() function specifies a function to be called when the parser finds an external entity in the XML document.

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

Syntax

xml_set_external_entity_ref_handler(parser, handler)

Parameter Values

Parameter Description
parser Required. Specifies the XML parser to use
handler Required. Specifies a function to be used as an event handler. The function must accept five parameters:
  • $parser - A variable containing the XML parser calling the handler
  • $name - A variable containing the name of the external entity
  • $base - The base for resolving the system identifier (system_id) of the external entity. Currently, this is always an empty string
  • $system_id - The system identifier as specified in the entity declaration
  • $public_id - The public identifier as specified in the entity declaration


Technical Details

Return Value: TRUE on success. FALSE on failure
PHP Version: 4.0+

❮ PHP XML Parser Reference