'640', 'height' => '480', 'src' => '', 'frameborder' => '0', 'scrolling' => 'no', 'marginheight' => '0', 'marginwidth' => '0', 'allowtransparency' => 'true' ), $atts)); return ''; // &output=embed } add_shortcode('iframe', 'iframe_embed_shortcode'); }