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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; /** * 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[] = $attrs['TARGET'] ?? ''; $feeds[] = $attrs['XMLURL'] ?? ''; $descriptions[] = $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' ) ) { wp_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 ) ); } if ( PHP_VERSION_ID < 80000 ) { // xml_parser_free() has no effect as of PHP 8.0. // Free up memory used by the XML parser. xml_parser_free( $xml_parser ); } unset( $xml_parser );
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