post_content );
remove_filter( 'wp_get_attachment_link', array( &$this, 'gallery_lookup', 10, 5 ));
$lookup = $gallery_lookup;
unset($gallery_lookup);
// img tags
$images = 0;
if ( preg_match_all('/![]()
/', $content, $matches) ) {
foreach ( $matches[1] as $attrs ) {
$item = $img = array();
// Construct $img array from ![]()
attributes
foreach ( wp_kses_hair($attrs, array('http')) as $attr )
$img[$attr['name']] = $attr['value'];
if ( !isset($img['src']) )
continue;
$img['src'] = $this->url($img['src']);
// Skip emoticons
if ( isset( $img['class'] ) && false !== strpos( $img['class'], 'wp-smiley' ) )
continue;
$id = false;
if ( isset( $lookup[$img['src']] ) ) {
$id = $lookup[$img['src']];
} elseif ( isset( $img['class'] ) && preg_match( '/wp-image-(\d+)/', $img['class'], $match ) ) {
$id = $match[1];
}
if ( $id ) {
// It's an attachment, so we will get the URLs, title, and description from functions
$attachment =& get_post( $id );
$src = wp_get_attachment_image_src( $id, 'full' );
if ( !empty( $src[0] ) )
$img['src'] = $src[0];
$thumbnail = wp_get_attachment_image_src( $id, 'thumbnail' );
if ( !empty( $thumbnail[0] ) && $thumbnail[0] != $img['src'] )
$img['thumbnail'] = $thumbnail[0];
$title = get_the_title( $id );
if ( !empty( $title ) )
$img['title'] = trim( $title );
$description = get_the_content( $id );
if ( !empty( $attachment->post_excerpt ) )
$img['description'] = trim($attachment->post_excerpt);
}
// If this is the first image in the markup, make it the post thumbnail
if ( ++$images == 1 ) {
if ( isset( $img['thumbnail'] ) )
$media[]['thumbnail']['attr']['url'] = $img['thumbnail'];
else
$media[]['thumbnail']['attr']['url'] = $img['src'];
}
$item['content']['attr']['url'] = $img['src'];
$item['content']['attr']['medium'] = 'image';
if ( !empty($img['title']) ) {
$item['content']['children']['title']['attr']['type'] = 'html';
$item['content']['children']['title']['children'][] = $img['title'];
} elseif ( !empty($img['alt']) ) {
$item['content']['children']['title']['attr']['type'] = 'html';
$item['content']['children']['title']['children'][] = $img['alt'];
}
if ( !empty($img['description']) ) {
$item['content']['children']['description']['attr']['type'] = 'html';
$item['content']['children']['description']['children'][] = $img['description'];
}
if ( !empty($img['thumbnail']) )
$item['content']['children']['thumbnail']['attr']['url'] = $img['thumbnail'];
$media[] = $item;
}
}
$media = apply_filters( 'mrss_media', $media );
return $media;
}
function head_description() {
global $wp_query;
if( is_single() ){
setup_postdata( get_post( $wp_query->posts[0]->ID ));
$title = str_replace( array("\n","\r","\t"), ' ' , the_title_attribute( array( 'echo' => FALSE )) );
$description = esc_attr( strip_tags( str_replace( array("\n","\r","\t"), ' ' ,str_replace( __('There is no excerpt because this is a protected post.'), '', get_the_excerpt() ))));
}
$title = apply_filters( 'meta_name_title', $title );
if( !empty( $title ))
echo '
';
$description = apply_filters( 'meta_name_description', $description );
if( !empty( $description ))
echo '
';
}
function head_media() {
global $wp_query;
setup_postdata( get_post( $wp_query->posts[0]->ID ));
$media = $this->get_media( $wp_query->posts[0]->ID );
if( !empty( $media[0]['thumbnail'] ))
echo '
';
}
function rss2_ns() {
?>
xmlns:media="http://search.yahoo.com/mrss/"
rss2_print( $this->get_media( $id ));
}
function url($url) {
if ( preg_match( '!^https?://!', $url ) )
return $url;
if ( $url{0} == '/' )
return rtrim( get_bloginfo('home'), '/' ) . $url;
return get_bloginfo('home') . $url;
}
function gallery_lookup($link, $id, $size, $permalink, $icon) {
global $gallery_lookup;
preg_match( '/ src="(.*?)"/', $link, $matches );
$gallery_lookup[$matches[1]] = $id;
return $link;
}
function rss2_print($media) {
if ( !empty($media) )
foreach( $media as $element )
$this->rss2_print_element($element);
echo "\n";
}
function rss2_print_element($element, $indent = 2) {
echo "\n";
foreach ( $element as $name => $data ) {
echo str_repeat("\t", $indent) . " $value )
echo " $attr=\"" . ent2ncr($value) . "\"";
}
if ( !empty($data['children']) ) {
$nl = false;
echo ">";
foreach ( $data['children'] as $_name => $_data ) {
if ( is_int($_name) ) {
echo ent2ncr($_data);
} else {
$nl = true;
$this->rss2_print_element( array( $_name => $_data ), $indent + 1 );
}
}
if ( $nl )
echo "\n" . str_repeat("\t", $indent);
echo "";
} else {
echo " />";
}
}
}
/*
SAMPLE CODE
The following examples are intented to show you how you can develop your own MediaRSS filters.
*/
/*
This function will result in code like this:
admin
*/
/*
function mrss_add_author_image($media) {
$name = get_the_author();
foreach ( array('jpg', 'gif', 'png') as $ext ) {
if ( file_exists( ABSPATH . "/$name.$ext") ) {
$item['content']['attr']['url'] = get_option('siteurl') . "/$name.$ext";
$item['content']['attr']['medium'] = 'image';
$item['content']['children']['title']['attr']['type'] = 'html';
$item['content']['children']['title']['children'][] = "$name";
array_unshift($media, $item);
break;
}
}
return $media;
}
add_filter('mrss_media', 'mrss_add_author_image');
*/
/*
This function will search post_content and if it finds "[audio http://example.com/song.mp3]" it adds this to the feed:
*/
/*
function mrss_audio_macro($media) {
$content = get_the_content();
if ( preg_match_all('/\[audio (.+)]/', $content, $matches) ) {
foreach ( $matches[1] as $url ) {
$item = array();
$url = html_entity_decode($url);
$url = preg_replace('/[<>"\']/', '', $url);
$item['content']['attr']['url'] = $url;
$item['content']['attr']['medium'] = 'audio';
$item['content']['children']['player']['attr']['url'] = get_option( 'siteurl' ). "/wp-content/plugins/audio-player/player.swf?soundFile=" . $url;
$media[] = $item;
}
}
return $media;
}
add_filter('mrss_media', 'mrss_audio_macro');
*/
}
// instantiate the class
$bsuite_meta_media = new bSuite_meta_media();