disallow-editor-wp.php

<?php 


add_action( 'init', function (){

	if( current_user_can('editor') ){

		add_filter( 'map_meta_cap', function ( $caps, $cap, $user_id, $args ) {

			$to_filter = [ 'edit_post', 'delete_post', 'edit_page', 'delete_page' ];
			$currentPage = get_the_ID();
			$disallowEditing = array('440');

				if ( ! in_array( $cap, $to_filter, true ) ) {
						return $caps;
				}

				if ( in_array($currentPage, $disallowEditing) ) {
						return [ 'do_not_allow' ];
				}

				return $caps;

			}, 10, 4 );
	}


});