Source <?php
/**
 * Parse OPML XML files and store in globals.
 *
 * @package WordPress
 * @subpackage Administration
 */

if ( ! defined( 'ABSPATH' ) ) {
    die();
}

/**
 * @global string $opml
 */
global $opml;

/**
 * Starts a new XML tag.
 *
 * Callback function for xml_set_element_handler().
 *
 * @since 0.71
 * @access private
 *
 * @global array $names
 * @global array $urls
 * @global array $targets
 * @global array $descriptions
 * @global array $feeds
 *
 * @param resource $parser   XML Parser resource.
 * @param string   $tag_name XML element name.
 * @param array    $attrs    XML element attributes.
 */
function startElement( $parser, $tag_name, $attrs ) { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionNameInvalid
    global $names, $urls, $targets, $descriptions, $feeds;

    if ( 'OUTLINE' === $tag_name ) {
        $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.
}

/**
 * Ends a new XML tag.
 *
 * Callback function for xml_set_element_handler().
 *
 * @since 0.71
 * @access private
 *
 * @param resource $parser   XML Parser resource.
 * @param string   $tag_name XML tag name.
 */
function endElement( $parser, $tag_name ) { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionNameInvalid
    // 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 );
unset( $xml_parser );
 <?php /** * Parse OPML XML files and store in globals. * * @package WordPress * @subpackage Administration */ if ( ! defined( 'ABSPATH' ) ) { die(); } /** * @global string $opml */ global $opml; /** * Starts a new XML tag. * * Callback function for xml_set_element_handler(). * * @since 0.71 * @access private * * @global array $names * @global array $urls * @global array $targets * @global array $descriptions * @global array $feeds * * @param resource $parser XML Parser resource. * @param string $tag_name XML element name. * @param array $attrs XML element attributes. */ function startElement( $parser, $tag_name, $attrs ) { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionNameInvalid global $names, $urls, $targets, $descriptions, $feeds; if ( 'OUTLINE' === $tag_name ) { $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. } /** * Ends a new XML tag. * * Callback function for xml_set_element_handler(). * * @since 0.71 * @access private * * @param resource $parser XML Parser resource. * @param string $tag_name XML tag name. */ function endElement( $parser, $tag_name ) { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionNameInvalid // 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 ); unset( $xml_parser );