# PHP xml_get_current_byte_index() Function

Complete PHP XML Reference

## Definition and Usage

The xml_get_current_byte_index() function gets the byte index for an XML parser.

This function returns the current byte index on success, or FALSE on failure.

## Syntax

xml_get_current_byte_index(parser)

Parameter | Description
--- | ---
parser | Required. Specifies XML parser to use

## Example

<?php
//invalid xml file
$xmlfile = 'test.xml';
$xmlparser = xml_parser_create();
// open a file and read data
$fp = fopen($xmlfile, 'r');
while ($xmldata = fread($fp, 4096))
{
// parse the data chunk
if (!xml_parse($xmlparser,$xmldata,feof($fp)))
{
die( print "ERROR: "
. xml_error_string(xml_get_error_code($xmlparser))
. "<br />"
. "Line: "
. xml_get_current_line_number($xmlparser)
. "<br />"
. "Column: "
. xml_get_current_column_number($xmlparser)
. "<br />"
. "Byte Index: "
. xml_get_current_byte_index($xmlparser)
. "<br />");
}
}
xml_parser_free($xmlparser);
?>

The output of the code above could be:

ERROR: Mismatched tag
Line: 5
Column: 41
Byte Index: 72

Complete PHP XML Reference

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