FALSE, 'domain' => FALSE, 'height' => 500, ), $arg ); if( !$arg['id'] || !$arg['domain'] ) return( FALSE ); return( str_replace( array( '%%id%%','%%domain%%','%%height%%' ), array( $arg['id'], $arg['domain'], $arg['height'] ), '' )); } add_shortcode( 'wufoo', 'shortcode_wufoo' );