4, 'default' => 3 ) ); echo ''; }, 12 ); add_filter( 'plugin_row_meta', function( $plugin_meta, $plugin_file, $plugin_data, $status ) { if( $plugin_file === plugin_basename( __FILE__ ) ) { $plugin_meta[] = sprintf( '%s', esc_url( 'https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=L4BFVU5HDJH8S' ), __( 'Donate' ) ); } return $plugin_meta; }, 10, 4 );