benchmark.php

<?php

require_once __DIR__.'/vendor/autoload.php';

use Symfony\Component\Validator\Validation;
use Symfony\Component\Validator\Constraints\Length;
use Symfony\Component\Validator\Constraints\NotNull;
use Symfony\Component\Validator\Constraints\Valid;
use Symfony\Component\Validator\Constraints\Range;

$validator = Validation::createValidatorBuilder()
//    ->setApiVersion(Validation::API_VERSION_2_4)
    ->setApiVersion(Validation::API_VERSION_2_5)
//    ->setApiVersion(Validation::API_VERSION_2_4 | Validation::API_VERSION_2_5)
    ->enableAnnotationMapping()
    ->getValidator();

class BenchArticle
{
    /**
     * @NotNull
     * @Length(min=3)
     */
    public $title;

    /**
     * @NotNull
     * @Range(min=2, max=50)
     */
    public $number;

    /**
     * @NotNull
     */
    public $text;

    /**
     * @Valid
     */
    public $tags;
}

class BenchTag
{
    /**
     * @NotNull
     * @Length(max=10)
     */
    public $name;

    public function __construct($name)
    {
        $this->name = $name;
    }
}

$article = new BenchArticle();
$article->title = 'fo';
$article->text = 'Lorem ipsum dolor';
$article->number = 60;
$article->tags = array();

$article->tags[] = new BenchTag('symfony');
$article->tags[] = new BenchTag('validator');
$article->tags[] = new BenchTag('benchmark');

// Validate once to autoload all needed classes
$validator->validate($article);

$time = microtime(true);

for ($i = 0; $i < 20; ++$i) {
    $validator->validate($article);
}

echo 1000*(microtime(true)-$time)."ms\n";