[44] | 1 | <?php
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| 2 | /**
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| 3 | * Parse OPML XML files and store in globals.
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| 4 | *
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| 5 | * @package WordPress
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| 6 | * @subpackage Administration
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| 7 | */
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| 8 |
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| 9 | if ( ! defined('ABSPATH') )
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| 10 | die();
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| 11 |
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| 12 | global $opml, $map;
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| 13 |
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| 14 | // columns we wish to find are: link_url, link_name, link_target, link_description
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| 15 | // we need to map XML attribute names to our columns
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| 16 | $opml_map = array('URL' => 'link_url',
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| 17 | 'HTMLURL' => 'link_url',
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| 18 | 'TEXT' => 'link_name',
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| 19 | 'TITLE' => 'link_name',
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| 20 | 'TARGET' => 'link_target',
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| 21 | 'DESCRIPTION' => 'link_description',
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| 22 | 'XMLURL' => 'link_rss'
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| 23 | );
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| 24 |
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| 25 | $map = $opml_map;
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| 26 |
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| 27 | /**
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| 28 | * XML callback function for the start of a new XML tag.
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| 29 | *
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| 30 | * @since unknown
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| 31 | * @access private
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| 32 | *
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| 33 | * @uses $updated_timestamp Not used inside function.
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| 34 | * @uses $all_links Not used inside function.
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| 35 | * @uses $map Stores names of attributes to use.
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| 36 | * @global array $names
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| 37 | * @global array $urls
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| 38 | * @global array $targets
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| 39 | * @global array $descriptions
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| 40 | * @global array $feeds
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| 41 | *
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| 42 | * @param mixed $parser XML Parser resource.
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| 43 | * @param string $tagName XML element name.
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| 44 | * @param array $attrs XML element attributes.
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| 45 | */
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| 46 | function startElement($parser, $tagName, $attrs) {
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| 47 | global $updated_timestamp, $all_links, $map;
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| 48 | global $names, $urls, $targets, $descriptions, $feeds;
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| 49 |
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| 50 | if ($tagName == 'OUTLINE') {
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| 51 | foreach (array_keys($map) as $key) {
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| 52 | if (isset($attrs[$key])) {
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| 53 | $$map[$key] = $attrs[$key];
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| 54 | }
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| 55 | }
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| 56 |
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| 57 | //echo("got data: link_url = [$link_url], link_name = [$link_name], link_target = [$link_target], link_description = [$link_description]<br />\n");
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| 58 |
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| 59 | // save the data away.
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| 60 | $names[] = $link_name;
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| 61 | $urls[] = $link_url;
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| 62 | $targets[] = $link_target;
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| 63 | $feeds[] = $link_rss;
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| 64 | $descriptions[] = $link_description;
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| 65 | } // end if outline
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| 66 | }
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| 67 |
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| 68 | /**
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| 69 | * XML callback function that is called at the end of a XML tag.
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| 70 | *
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| 71 | * @since unknown
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| 72 | * @access private
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| 73 | * @package WordPress
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| 74 | * @subpackage Dummy
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| 75 | *
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| 76 | * @param mixed $parser XML Parser resource.
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| 77 | * @param string $tagName XML tag name.
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| 78 | */
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| 79 | function endElement($parser, $tagName) {
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| 80 | // nothing to do.
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| 81 | }
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| 82 |
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| 83 | // Create an XML parser
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| 84 | $xml_parser = xml_parser_create();
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| 85 |
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| 86 | // Set the functions to handle opening and closing tags
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| 87 | xml_set_element_handler($xml_parser, "startElement", "endElement");
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| 88 |
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| 89 | if (!xml_parse($xml_parser, $opml, true)) {
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| 90 | echo(sprintf(__('XML error: %1$s at line %2$s'),
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| 91 | xml_error_string(xml_get_error_code($xml_parser)),
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| 92 | xml_get_current_line_number($xml_parser)));
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| 93 | }
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| 94 |
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| 95 | // Free up memory used by the XML parser
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| 96 | xml_parser_free($xml_parser);
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| 97 | ?>
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