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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