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[0] in function chmod in /var/www/hopeinstoughton_www/wp-content/plugins/simple-universal-google-analytics/main.php on line 8
[1] in function include_once in /var/www/hopeinstoughton_www/wp-settings.php on line 560
[2] in function require_once in /var/www/hopeinstoughton_www/wp-config.php on line 85
[3] in function require_once in /var/www/hopeinstoughton_www/wp-load.php on line 50
[4] in function require_once in /var/www/hopeinstoughton_www/wp-blog-header.php on line 13
[5] in function require in /var/www/hopeinstoughton_www/index.php on line 17

use strict;
use warnings;

use XML::LibXML;
use IO::File;

# first instanciate the parser
my $parser = XML::LibXML->new();

# initialize the callbacks
$parser->match_callback( \&match_uri );
$parser->read_callback( \&read_uri );
$parser->open_callback( \&open_uri );
$parser->close_callback( \&close_uri );

# include XIncludes on the fly
$parser->expand_xinclude( 1 );

# parse the file "text.xml" in the current directory
my $dom = $parser->parse_file("test.xml");

print $dom->toString() , "\n";

# the callbacks follow
# these callbacks are used for both the original parse AND the XInclude
sub match_uri {
    my $uri = shift;
    return $uri !~ /:\/\// ? 1 : 0; # we handle only files
}

sub open_uri {
    my $uri = shift;

    my $handler = new IO::File;
    if ( not $handler->open( "<$uri" ) ){
        $handler = 0;
    }

    return $handler;
}

sub read_uri {
    my $handler = shift;
    my $length  = shift;
    my $buffer = undef;
    if ( $handler ) {
        $handler->read( $buffer, $length );
    }
    return $buffer;
}

sub close_uri {
    my $handler = shift;
    if ( $handler ) {
        $handler->close();
    }
    return 1;
}