PHP code example of lorenzo / row-locker

1. Go to this page and download the library: Download lorenzo/row-locker 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/ */

lorenzo / row-locker example snippets


use RowLocker\LockableInterface;
use RowLocker\LockableTrait;
...

class Article extends Entity implements LockableInterface
{
    use LockableTrait;

    ...
}


class ArticlesTable extends Table
{
    public function initialize()
    {
        ...
        $this->addBehavior('RowLocker.RowLocker');
    }
}


$article = $articlesTable->get($id);
$article->lock($userId, $sessionId); // both arguments are actaully optional
$articlesTable->save($article);


$article = $articlesTable
    ->findById($id)
    ->find('autoLock', ['lockingUser' => $userId, 'lockingSession' => $sessionId])
    ->firstOrFail(); // This locks the row

$article->isLocked(); // return true


$article->unlock();
$articlesTable->save($article);


$firstUnlocked = $articlesTable
    ->find('unlocked', ['lockingUser' => $userId])
    ->firstOrFail();


$safeLocker = $articlesTable->lockingMonitor();
// Safely lock the row
$safeLocker(function () use ($id, $userId, $sessionId) {
    $article = $articlesTable
        ->findById($id)
        ->find('autoLock', ['lockingUser' => $userId, 'lockingSession' => $sessionId])
        ->firstOrFail();
});