1. Go to this page and download the library: Download kaihiro/optimistic-lock library. Choose the download type require.
2. Extract the ZIP file and open the index.php.
3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
kaihiro / optimistic-lock example snippets
use OptimisticLock\Model\OptimisticLockTableTrait;
class PostsTable extends Table
{
// Add the trait to your table
use OptimisticLockTableTrait;
public function initialize(array $config)
{
// Add the behaviour to your table
$this->addBehavior('OptimisticLock.OptimisticLock');
}
}
use OptimisticLock\Exception\OptimisticLockException;
class PostsController extends AppController
{
public function edit($id = null)
{
$post = $this->Posts->get($id);
if ($this->request->is(['patch', 'post', 'put'])) {
try {
$post = $this->Posts->patchEntity($post, $this->request->data);
if ($this-> Posts->save($post)) {
$this->Flash->success(__('The post result has been saved.'));
return $this->redirect(['action' => 'index']);
} else {
$this->Flash->error(__('The post could not be saved. Please, try again.'));
}
// You can handle optimistic lock by catching OptimisticLockException.
} catch (OptimisticLockException $e) {
$this->Flash->error(__('optimistic lock error.'));
}
}
$this->set(compact('post'));
$this->set('_serialize', ['post']);
}
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