You can install this plugin into your CakePHP application using composer.
The recommended way to install composer packages is:
composer require maiconpinto/summernote-editor
// config/bootstrap.php
Plugin::load('SummernoteEditor', ['routes' => true]);
// src/Template/Example/add.ctp OR
// src/Template/Example/edit.ctp
//echo $this->Form->create($example)
// [...]
//echo $this->Form->input('description', ['class' => 'summernote']);
// OR
//echo $this->Form->control('description', ['class' => 'summernote']);
// [...]
//$this->Form->end();
echo $this->element('SummernoteEditor.summernote-editor');
echo $this->element('SummernoteEditor.summernote-editor', ['jquery' => false, 'bootstrap' => false]);
echo $this->element('SummernoteEditor.summernote-editor', ['layout' => true]);