)'; $end_at = '(\s|

|$)'; define('YOUTUBE_EMBED_MATCH', '@'.$start_at.'(http://(www\.)?youtube\.com/watch\?v=(\w+))'.$end_at.'@'); define('YOUTUBE_EMBED_REPLACE', '$1

$2$5'); if (! $testing) { add_filter( 'pre_post', 'make_embeds' ); add_filter( 'bb_allowed_tags', 'allow_embeds' ); add_action( 'post_form', 'print_instructions' ); } else { make_embeds( 'Here is my video is already linked! video. Here is www: http://www.youtube.com/watch?v=NBaPqAV_MYY But here it is bare: http://youtube.com/watch?v=NBaPqAV_MYY and here is text in

http://www.youtube.com/watch?v=NBaPqAV_MYY

' ); die('YouTube Embed testing finished'); } function allow_embeds($tags) { $new_tags = array( 'embed' => array( 'height' => array(), 'src' => array(), 'title' => array(), 'type' => array('application/x-shockwave-flash'), 'width' => array(), ) ); $tags = array_merge( $tags, $new_tags ); return $tags; } function make_embeds($post_text) { global $testing; if ($testing) echo "Received $post_text\n\n"; $post_text = preg_replace( YOUTUBE_EMBED_MATCH, YOUTUBE_EMBED_REPLACE, $post_text ); if ($testing) echo "Returning $post_text"; return $post_text; } function print_instructions() { echo "

To embed a YouTube video, paste the URI (like http://youtube.com/watch?v=NBaPqAV_MYY.)

"; } /* YouTube's EMBED code

*/ ?>