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<?php
/**
* Parse OPML XML files and store in globals.
*
* @package WordPress
* @subpackage Administration
*/
if ( ! defined( 'ABSPATH' ) ) {
die();
}
/**
* @global string $opml
*/
global $opml;
/**
* XML callback function for the start of a new XML tag.
*
* @since 0.71
* @access private
*
* @global array $names
* @global array $urls
* @global array $targets
* @global array $descriptions
* @global array $feeds
*
* @param mixed $parser XML Parser resource.
* @param string $tagName XML element name.
* @param array $attrs XML element attributes.
*/
function startElement( $parser, $tagName, $attrs ) {
global $names, $urls, $targets, $descriptions, $feeds;
if ( 'OUTLINE' === $tagName ) {
$name = '';
if ( isset( $attrs['TEXT'] ) ) {
$name = $attrs['TEXT'];
}
if ( isset( $attrs['TITLE'] ) ) {
$name = $attrs['TITLE'];
}
$url = '';
if ( isset( $attrs['URL'] ) ) {
$url = $attrs['URL'];
}
if ( isset( $attrs['HTMLURL'] ) ) {
$url = $attrs['HTMLURL'];
}
// Save the data away.
$names[] = $name;
$urls[] = $url;
$targets[] = isset( $attrs['TARGET'] ) ? $attrs['TARGET'] : '';
$feeds[] = isset( $attrs['XMLURL'] ) ? $attrs['XMLURL'] : '';
$descriptions[] = isset( $attrs['DESCRIPTION'] ) ? $attrs['DESCRIPTION'] : '';
} // End if outline.
}
/**
* XML callback function that is called at the end of a XML tag.
*
* @since 0.71
* @access private
*
* @param mixed $parser XML Parser resource.
* @param string $tagName XML tag name.
*/
function endElement( $parser, $tagName ) {
// Nothing to do.
}
// Create an XML parser
if ( ! function_exists( 'xml_parser_create' ) ) {
trigger_error( __( "PHP's XML extension is not available. Please contact your hosting provider to enable PHP's XML extension." ) );
wp_die( __( "PHP's XML extension is not available. Please contact your hosting provider to enable PHP's XML extension." ) );
}
$xml_parser = xml_parser_create();
// Set the functions to handle opening and closing tags
xml_set_element_handler( $xml_parser, 'startElement', 'endElement' );
if ( ! xml_parse( $xml_parser, $opml, true ) ) {
printf(
/* translators: 1: error message, 2: line number */
__( 'XML Error: %1$s at line %2$s' ),
xml_error_string( xml_get_error_code( $xml_parser ) ),
xml_get_current_line_number( $xml_parser )
);
}
// Free up memory used by the XML parser
xml_parser_free( $xml_parser );
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