PHP code example of dbstudios / analyst

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

dbstudios / analyst example snippets

class MyController {
    public function isAllowed(User $user, $slug) {
        return Experiment::create('user-allowed')
            ->setContext([
                'user' => $user, // context ignores keys, however it's helpful to use keys to "flag" what each variable means
                'slug' => $slug,
            ])
            ->control(function(User $user, $slug) {
                return $user->isAdmin() || $user->getPermissions()->contains('view.page.' . $slug);
            })
            ->candidate(function(User $user, $slug) {
                return $user->getPermissionProvider()->isAccessAllowed($slug);
            })
            ->run();
    }
}

class MyExperiment extends Experiment {
    private $db;
    private $stmt;

    public function __construct(PDO $db, $name = 'experiment') {
        parent::__construct($name);
        
        $this->db = $db;
        $this->stmt = $db->prepare('insert into experiment_results (name, timestamp, behavior, is_control,
            execution_time, result) values(:experiment, UTC_TIMESTAMP(), :behavior, :control, :duration, :result)');

        $this->stmt->bindValue(':experiment', $name);
    }

    public function publish(Result $result) {
        $behaviors = $result->getCandidates();
        
        array_unshift($candidates, $result->getControl());
        
        $this->db->beginTransaction();
        
        foreach ($behaviors as $behavior) {
            $this->stmt->bindValue(':behavior', $behavior->getName());
            $this->stmt->bindValue(':control', $behavior === $result->getControl(), PDO::PARAM_BOOL);
            $this->stmt->bindValue(':duration', $behavior->getDuration());
            $this->stmt->bindValue(':result', serialize($behavior->getResult());
            
            $this->stmt->execute();
        }
        
        $this->db->commit();
    }
    
    public static function create($db, $name = 'experiment') {
        return new MyExperiment($db, $name);
    }
}

class MyController {
    public function isAllowed(User $user, $slug) {
        return MyExperiment::create($this->getConnection(), 'user-allowed')
            // set up context, control, and candidate...
            ->run();
    }
}