Pasted

paste kode berikut di functions.php
  /* Add Next Page Button in First Row */
add_filter( 'mce_buttons', 'my_add_next_page_button', 1, 2 ); // 1st row
 /**
 * Add Next Page/Page Break Button
 * in WordPress Visual Editor
 * 
 * @link https://shellcreeper.com/?p=889
 */
function my_add_next_page_button( $buttons, $id ){
     /* only add this for content editor */
    if ( 'content' != $id )
        return $buttons;
     /* add next page after more tag button */
    array_splice( $buttons, 13, 0, 'wp_page' );
     return $buttons;
}