Add functions to parse audio or video data out of arbitrary content or a post
props wonderboymusic. see #23572 git-svn-id: http://core.svn.wordpress.org/trunk@23774 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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Mark Jaquith
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dd07ebb9b9
commit
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@ -1821,6 +1821,135 @@ function get_attached_video( $post_id = 0 ) {
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return $children;
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}
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/**
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* Extract the srcs from the post's [{media type}] <source>s
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*
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* @since 3.6.0
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*
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* @param string $content A string which might contain media data.
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* @param boolean $remove Whether to remove the found URL from the passed content.
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* @return array A list of lists. Each item has a list of sources corresponding
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* to a [{media type}]'s primary src and specified fallbacks
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*/
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function get_content_media( $type, &$content, $remove = false ) {
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$src = '';
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$items = array();
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$matches = array();
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if ( preg_match_all( '/' . get_shortcode_regex() . '/s', $content, $matches, PREG_SET_ORDER ) && ! empty( $matches ) ) {
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foreach ( $matches as $shortcode ) {
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if ( $type === $shortcode[2] ) {
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$srcs = array();
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$count = 1;
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if ( $remove )
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$content = str_replace( $shortcode[0], '', $content, $count );
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$item = do_shortcode_tag( $shortcode );
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preg_match_all( '#src=[\'"](.+?)[\'"]#is', $item, $src, PREG_SET_ORDER );
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if ( ! empty( $src ) ) {
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foreach ( $src as $s )
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$srcs[] = $s[1];
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$items[] = array_values( array_unique( $srcs ) );
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}
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}
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}
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}
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return $items;
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}
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/**
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* Check the content blob for an <{media type}>, <object>, <embed>, or <iframe>, in that order
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* If no HTML tag is found, check the first line of the post for a URL
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*
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* @since 3.6.0
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*
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* @param string $content A string which might contain media data.
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* @param boolean $remove Whether to remove the found URL from the passed content.
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* @return array A list of found HTML media embeds and possibly a URL by itself
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*/
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function get_embedded_media( $type, &$content, $remove = false ) {
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$html = array();
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$matches = '';
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foreach ( array( $type, 'object', 'embed', 'iframe' ) as $tag ) {
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if ( preg_match( '#' . get_tag_regex( $tag ) . '#', $content, $matches ) ) {
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$html[] = $matches[1];
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if ( $remove )
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$content = str_replace( $matches[0], '', $content );
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return $html;
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}
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}
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$lines = explode( "\n", trim( $content ) );
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$line = trim( array_shift( $lines ) );
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if ( 0 === stripos( $line, 'http' ) ) {
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if ( $remove )
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$content = join( "\n", $lines );
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$html[] = $line;
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}
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return $html;
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}
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/**
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* Extract the srcs from the post's [audio] <source>s
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*
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* @since 3.6.0
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*
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* @param string $content A string which might contain audio data.
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* @param boolean $remove Whether to remove the found URL from the passed content.
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* @return array A list of lists. Each item has a list of sources corresponding
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* to a [audio]'s primary src and specified fallbacks
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*/
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function get_content_audio( &$content, $remove = false ) {
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return get_content_media( 'audio', $content, $remove );
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}
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/**
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* Check the content blob for an <audio>, <object>, <embed>, or <iframe>, in that order
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* If no HTML tag is found, check the first line of the post for a URL
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*
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* @since 3.6.0
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*
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* @param string $content A string which might contain audio data.
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* @param boolean $remove Whether to remove the found URL from the passed content.
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* @return array A list of found HTML audio embeds and possibly a URL by itself
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*/
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function get_embedded_audio( &$content, $remove = false ) {
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return get_embedded_media( 'audio', $content, $remove );
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}
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/**
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* Extract the srcs from the post's [video] <source>s
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*
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* @since 3.6.0
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*
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* @param string $content A string which might contain video data.
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* @param boolean $remove Whether to remove the found URL from the passed content.
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* @return array A list of lists. Each item has a list of sources corresponding
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* to a [video]'s primary src and specified fallbacks
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*/
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function get_content_video( &$content, $remove = false ) {
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return get_content_media( 'video', $content, $remove );
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}
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/**
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* Check the content blob for a <video>, <object>, <embed>, or <iframe>, in that order
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* If no HTML tag is found, check the first line of the post for a URL
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*
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* @since 3.6.0
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*
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* @param string $content A string which might contain video data.
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* @param boolean $remove Whether to remove the found URL from the passed content.
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* @return array A list of found HTML video embeds and possibly a URL by itself
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*/
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function get_embedded_video( &$content, $remove = false ) {
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return get_embedded_media( 'video', $content, $remove );
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}
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/**
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* Audio embed handler callback.
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*
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