Brownian motion

function get_player( $post ) {
  $urls    = array();
  $titles  = array();
  $artists = array();
 
  $attachments = get_children(
      array('post_parent' => $post->ID,
            'post_type' => 'attachment',
            'post_mime_type' => 'audio/mpeg',
            'order_by' => 'menu_order', 'order' => 'ASC'));
  if( $attachments ) {
    foreach ( $attachments as $att_id => $att ) {
      // allow non-latin chars in file names:
      $url = wp_get_attachment_url($att_id);
      $url = preg_replace('#(.*/)([^/]*)$#e', "'\\1'.rawurlencode('\\2')", $url);
      $url = rawurlencode( $url );
      $urls[] = $url;
 
      $title  = rawurlencode( str_replace(",", ":", $att->post_title) );
      $titles[] = $title;
 
    }
    $player_id = 'audioplayer-' . $post->ID;
    $player = '<p class="audioplayer_container"><div class="np-audioplayer" id="'. $player_id .'">(No Adobe Flash Player?..)</div></p>' . "\n"
            . '<script type="text/javascript">' . "\n"
            . '    AudioPlayer.embed("' . $player_id . "\", {\n"
            . '      soundFile: "' . implode(",", $urls)    . "\" // ,\n"
            . '      titles: "'    . implode(",", $titles)  . "\"\n"
            . "    });\n"
            . "</script>\n";
    return $player;
  }
  return false;
}
 
function playall( $atts ) {
  global $post;
  return get_player($post);
}
 
add_shortcode( "playall", "playall" );