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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 0.71 |
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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 0.71 |
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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); |