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    <h3>Editing: DataCollectorTranslator.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier &lt;fabien@symfony.com&gt;
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Translation;

use Symfony\Component\HttpKernel\CacheWarmer\WarmableInterface;
use Symfony\Component\Translation\Exception\InvalidArgumentException;
use Symfony\Contracts\Translation\LocaleAwareInterface;
use Symfony\Contracts\Translation\TranslatorInterface;

/**
 * @author Abdellatif Ait boudad &lt;a.aitboudad@gmail.com&gt;
 */
class DataCollectorTranslator implements TranslatorInterface, TranslatorBagInterface, LocaleAwareInterface, WarmableInterface
{
    public const MESSAGE_DEFINED = 0;
    public const MESSAGE_MISSING = 1;
    public const MESSAGE_EQUALS_FALLBACK = 2;

    private $translator;
    private $messages = [];

    /**
     * @param TranslatorInterface&amp;TranslatorBagInterface&amp;LocaleAwareInterface $translator
     */
    public function __construct(TranslatorInterface $translator)
    {
        if (!$translator instanceof TranslatorBagInterface || !$translator instanceof LocaleAwareInterface) {
            throw new InvalidArgumentException(sprintf('The Translator &quot;%s&quot; must implement TranslatorInterface, TranslatorBagInterface and LocaleAwareInterface.', get_debug_type($translator)));
        }

        $this-&gt;translator = $translator;
    }

    /**
     * {@inheritdoc}
     */
    public function trans(?string $id, array $parameters = [], ?string $domain = null, ?string $locale = null)
    {
        $trans = $this-&gt;translator-&gt;trans($id = (string) $id, $parameters, $domain, $locale);
        $this-&gt;collectMessage($locale, $domain, $id, $trans, $parameters);

        return $trans;
    }

    /**
     * {@inheritdoc}
     */
    public function setLocale(string $locale)
    {
        $this-&gt;translator-&gt;setLocale($locale);
    }

    /**
     * {@inheritdoc}
     */
    public function getLocale()
    {
        return $this-&gt;translator-&gt;getLocale();
    }

    /**
     * {@inheritdoc}
     */
    public function getCatalogue(?string $locale = null)
    {
        return $this-&gt;translator-&gt;getCatalogue($locale);
    }

    /**
     * {@inheritdoc}
     */
    public function getCatalogues(): array
    {
        return $this-&gt;translator-&gt;getCatalogues();
    }

    /**
     * {@inheritdoc}
     *
     * @return string[]
     */
    public function warmUp(string $cacheDir)
    {
        if ($this-&gt;translator instanceof WarmableInterface) {
            return (array) $this-&gt;translator-&gt;warmUp($cacheDir);
        }

        return [];
    }

    /**
     * Gets the fallback locales.
     *
     * @return array
     */
    public function getFallbackLocales()
    {
        if ($this-&gt;translator instanceof Translator || method_exists($this-&gt;translator, 'getFallbackLocales')) {
            return $this-&gt;translator-&gt;getFallbackLocales();
        }

        return [];
    }

    /**
     * Passes through all unknown calls onto the translator object.
     */
    public function __call(string $method, array $args)
    {
        return $this-&gt;translator-&gt;{$method}(...$args);
    }

    /**
     * @return array
     */
    public function getCollectedMessages()
    {
        return $this-&gt;messages;
    }

    private function collectMessage(?string $locale, ?string $domain, string $id, string $translation, ?array $parameters = [])
    {
        if (null === $domain) {
            $domain = 'messages';
        }

        $catalogue = $this-&gt;translator-&gt;getCatalogue($locale);
        $locale = $catalogue-&gt;getLocale();
        $fallbackLocale = null;
        if ($catalogue-&gt;defines($id, $domain)) {
            $state = self::MESSAGE_DEFINED;
        } elseif ($catalogue-&gt;has($id, $domain)) {
            $state = self::MESSAGE_EQUALS_FALLBACK;

            $fallbackCatalogue = $catalogue-&gt;getFallbackCatalogue();
            while ($fallbackCatalogue) {
                if ($fallbackCatalogue-&gt;defines($id, $domain)) {
                    $fallbackLocale = $fallbackCatalogue-&gt;getLocale();
                    break;
                }
                $fallbackCatalogue = $fallbackCatalogue-&gt;getFallbackCatalogue();
            }
        } else {
            $state = self::MESSAGE_MISSING;
        }

        $this-&gt;messages[] = [
            'locale' =&gt; $locale,
            'fallbackLocale' =&gt; $fallbackLocale,
            'domain' =&gt; $domain,
            'id' =&gt; $id,
            'translation' =&gt; $translation,
            'parameters' =&gt; $parameters,
            'state' =&gt; $state,
            'transChoiceNumber' =&gt; isset($parameters['%count%']) &amp;&amp; is_numeric($parameters['%count%']) ? $parameters['%count%'] : null,
        ];
    }
}
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