' . "\n";
}
/**
* activation hook
*/
function activation_hook() {
global $wp_rewrite;
$wp_rewrite->flush_rules();
}
/**
* Add rewrite rules for XRDS.
*
* @param object $wp_rewrite WP_Rewrite object
*/
function rewrite_rules($wp_rewrite) {
$apml_rules = array(
'apml' => 'index.php?apml=1',
);
$wp_rewrite->rules = $apml_rules + $wp_rewrite->rules;
}
/**
* Add 'apml' as a valid query variables.
*
* @param array $vars
* @return array
*/
function query_vars($vars) {
$vars[] = 'apml';
return $vars;
}
/**
* Print APML document if 'apml' query variable is present
*/
function parse_request() {
global $wp_query, $wp;
if( array_key_exists('apml', $wp->query_vars) ) {
Apml::print_apml();
}
}
/**
* Get the URL for the APML document, based on the blog's permalink settings.
*
* @return string APML document URL
*/
function apml_url() {
global $wp_rewrite;
$url = trailingslashit(get_option('home'));
if ($wp_rewrite->using_permalinks()) {
if ($wp_rewrite->using_index_permalinks()) {
return $url . 'index.php/apml';
} else {
return $url . 'apml';
}
} else {
return add_query_arg('apml', '1', $url);
}
}
/**
*
*/
function apml_add_profile($apml, $ProfileName, $ImplicitData, $ExplicitData) {
if ($ImplicitData) {
foreach($ImplicitData as $concept => $data) {
if (is_array($apml[$ProfileName]['ImplicitData'][$concept])) {
$apml[$ProfileName]['ImplicitData'][$concept] = array_merge($apml[$ProfileName]['ImplicitData'][$concept], $ImplicitData[$concept]);
} else {
$apml[$ProfileName]['ImplicitData'][$concept] = $ImplicitData[$concept];
}
}
} elseif ($ExplicitData) {
foreach($ExplicitData as $concept => $data) {
if (is_array($apml[$ProfileName]['ExplicitData'][$concept])) {
$apml[$ProfileName]['ExplicitData'][$concept] = array_merge($apml[$ProfileName]['ExplicitData'][$concept], $ExplicitData[$concept]);
} else {
$apml[$ProfileName]['ExplicitData'][$concept] = $ExplicitData[$concept];
}
}
}
return $apml;
}
/**
* Generate APML-XML output
*
* @return string APML-XML output
*/
function generate_xml() {
global $wp_version;
$apml = array();
$apml = apply_filters('apml', $apml);
$date = date('Y-m-d\Th:i:s');
$xml = ''."\n";
$xml .= ' '."\n";
$xml .= ' APML for '.get_bloginfo('name', 'display').''."\n";
$xml .= ' wordpress/'.$wp_version.''."\n";
$xml .= ' '.$date.''."\n";
$xml .= ' '."\n";
$xml .= ' '."\n";
foreach ($apml as $name => $data) {
$xml .= ' '."\n";
foreach ($data as $dataType => $dataConcepts) {
$xml .= ' <'.$dataType.'>'."\n";
foreach ($dataConcepts as $conceptType => $values) {
$xml .= ' <'.$conceptType.'>'."\n";
switch ($conceptType) {
case "Concepts":
foreach ($values as $value) {
$xml .= ' '."\n";
}
break;
case "Sources":
foreach ($values as $value) {
$xml .= ' '."\n";
}
break;
}
$xml .= ' '."\n";
}
$xml .= ' '."\n";
}
$xml .= ' '."\n";
}
$xml .= ' '."\n";
$xml .= '';
return $xml;
}
/**
* prints the APML-file
*
*/
function print_apml() {
header('Content-Type: application/xml+apml; charset=' . get_option('blog_charset'), true);
//header('Content-Type: text/xml; charset=' . get_option('blog_charset'), true);
echo ''."\n";
echo Apml::generate_xml();
exit;
}
/**
* Contribute the WordPress Tags to the APML file
*
* @param array $apml current APML array
* @return array updated APML array
*/
function apml_add_tags($apml) {
global $wpdb;
$date = date('Y-m-d\Th:i:s');
$url = get_bloginfo('url');
$tag_max = $wpdb->get_var("SELECT MAX(count) FROM $wpdb->term_taxonomy WHERE taxonomy = 'post_tag';");
$tags = array();
foreach (get_tags() as $tag) {
$tags[] = array('key' => strtolower($tag->name),
'value' => (($tag->count*100)/$tag_max)/100,
'from' => $url,
'updated' => $date
);
}
return Apml::apml_add_profile($apml, 'tags', null, array('Concepts' => $tags));
}
/**
* Contribute the WordPress Categories to the APML file
*
* @param array $apml current APML array
* @return array updated APML array
*/
function apml_add_categories($apml) {
global $wpdb;
$date = date('Y-m-d\Th:i:s');
$url = get_bloginfo('url');
$cat_max = $wpdb->get_var("SELECT MAX(count) FROM $wpdb->term_taxonomy WHERE taxonomy = 'category'");
$cats = array();
foreach (get_categories() as $cat) {
$cats[] = array('key' => isset($cat->name) ? strtolower($cat->name) : strtolower($cat->cat_name),
'value' => (isset($cat->count) ? $cat->count : $cat->category_count) *100/$cat_max/100,
'from' => $url,
'updated' => $date
);
}
return Apml::apml_add_profile($apml, 'categories', null, array('Concepts' => $cats));
}
/**
* Contribute the WordPress Links to the APML file
*
* @param array $apml current APML array
* @return array updated APML array
*/
function apml_add_links($apml) {
global $wpdb;
$date = date('Y-m-d\Th:i:s');
$url = get_bloginfo('url');
$sql = "SELECT link_url, link_name, link_rel, link_rating
FROM $wpdb->links
WHERE link_visible = 'Y'
ORDER BY link_name" ;
$results = $wpdb->get_results($sql);
$links = array();
foreach($results as $link) {
$links[] = array('key' => htmlentities($link->link_url),
'name' => $link->link_name,
'value' => $link->link_rating != 0 ? $link->link_rating*100/9/100 : "1.0",
'type' => 'text/html',
'from' => $url,
'updated' => $date
);
}
return Apml::apml_add_profile($apml, 'links', null, array('Sources' => $links));
}
/**
* Contribute the WordPress Feeds to the APML file
*
* @param array $apml current APML array
* @return array updated APML array
*/
function apml_add_feeds($apml) {
global $wpdb;
$date = date('Y-m-d\Th:i:s');
$url = get_bloginfo('url');
$sql = "SELECT link_rss, link_name, link_rel, link_rating
FROM $wpdb->links
WHERE link_visible = 'Y' AND link_rss != ''
ORDER BY link_name" ;
$results = $wpdb->get_results($sql);
$links = array();
foreach($results as $link) {
$links[] = array('key' => htmlentities($link->link_rss),
'name' => $link->link_name,
'value' => $link->link_rating != 0 ? $link->link_rating*100/9/100 : "1.0",
'type' => 'text/xml',
'from' => $url,
'updated' => $date
);
}
return Apml::apml_add_profile($apml, 'feeds', null, array('Sources' => $links));
}
/**
* Contribute the APML Service to XRDS-Simple.
*
* @param array $xrds current XRDS-Simple array
* @return array updated XRDS-Simple array
*/
function xrds_apml_service($xrds) {
global $wp_rewrite;
$xrds = xrds_add_service($xrds, 'main', 'APML Service',
array(
'Type' => array( array('content' => 'http://www.apml.org/apml-0.6') ),
'MediaType' => array( array('content' => 'application/xml+apml') ),
'URI' => array( array('content' => Apml::apml_url()) ),
)
);
return $xrds;
}
/**
* Contribute the APML Service to Webfinger.
*/
function xrd_apml_link() {
echo '';
}
}
?>