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PHP xml_set_notation_decl_handler() function

Definition and usage

xml_set_notation_decl_handler () function specifies a function to be called when the parser finds a symbol declaration in an XML document.

If successful, the function returns TRUE. If it fails, it returns FALSE.

Syntax

xml_set_notation_decl_handler (parser, handler)

parameters description
parser Required. Specifies the XML parser to use.
handler Required. Specifies the function to be called when the parser finds a symbol declaration.

The function specified by the "handler" parameter must have five parameters:

parameters description
parser Required. Specifies a variable containing an XML parser that calls the processor.
name Required. Specifies a variable containing a symbolic declaration name.
base Required. Specifies the basis of the system identifier (system_id) for parsing symbol declarations. Currently this parameter is usually set to NULL.
system_id Required. Specifies a variable containing the system identifier of the symbolic declaration.
public_id Required. Specifies a variable containing the public identifier of a symbolic declaration.


Tips and comments

Note: The handler parameter can also be an array containing object references and method names.


Example

<?php
$parser=xml_parser_create();

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

function not_decl_handler($parser,$not,$base,$sysID,$pubID)
{
echo "$not<br />";
echo "$sysID<br />";
echo "$pubID<BR />";
}

xml_set_character_data_handler($parser,"char");
xml_set_notation_decl_handler($parser, "not_decl_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);
?>