Neos\Flow\I18n\FormatResolver::resolvePlaceholders PHP Méthode

    public function resolvePlaceholders($textWithPlaceholders, array $arguments, Locale $locale = null)
    {
        if ($locale === null) {
            $locale = $this->localizationService->getConfiguration()->getDefaultLocale();
        }
        $lastPlaceHolderAt = 0;
        while ($lastPlaceHolderAt < strlen($textWithPlaceholders) && ($startOfPlaceholder = strpos($textWithPlaceholders, '{', $lastPlaceHolderAt)) !== false) {
            $endOfPlaceholder = strpos($textWithPlaceholders, '}', $lastPlaceHolderAt);
            $startOfNextPlaceholder = strpos($textWithPlaceholders, '{', $startOfPlaceholder + 1);
            if ($endOfPlaceholder === false || $startOfPlaceholder + 1 >= $endOfPlaceholder || $startOfNextPlaceholder !== false && $startOfNextPlaceholder < $endOfPlaceholder) {
                // There is no closing bracket, or it is placed before the opening bracket, or there is nothing between brackets
                throw new Exception\InvalidFormatPlaceholderException('Text provided contains incorrectly formatted placeholders. Please make sure you conform the placeholder\'s syntax.', 1278057790);
            }
            $contentBetweenBrackets = substr($textWithPlaceholders, $startOfPlaceholder + 1, $endOfPlaceholder - $startOfPlaceholder - 1);
            $placeholderElements = explode(',', str_replace(' ', '', $contentBetweenBrackets));
            $valueIndex = $placeholderElements[0];
            if (!array_key_exists($valueIndex, $arguments)) {
                throw new Exception\IndexOutOfBoundsException('Placeholder "' . $valueIndex . '" was not provided, make sure you provide values for every placeholder.', 1278057791);
            }
            if (isset($placeholderElements[1])) {
                $formatterName = $placeholderElements[1];
                $formatter = $this->getFormatter($formatterName);
                $formattedPlaceholder = $formatter->format($arguments[$valueIndex], $locale, array_slice($placeholderElements, 2));
            } else {
                // No formatter defined, just string-cast the value
                $formattedPlaceholder = (string) $arguments[$valueIndex];
            }
            $textWithPlaceholders = str_replace('{' . $contentBetweenBrackets . '}', $formattedPlaceholder, $textWithPlaceholders);
            $lastPlaceHolderAt = $startOfPlaceholder + strlen($formattedPlaceholder);
        }
        return $textWithPlaceholders;
    }

 /**
  * @test
  */
 public function formatResolverWorksCorrectlyForFullyQualifiedFormatterClassNames()
 {
     $actualFormatter = new Fixtures\SampleFormatter();
     $locale = new I18n\Locale('de');
     $testResult = $this->formatResolver->resolvePlaceholders(sprintf('{0,%s}', Fixtures\SampleFormatter::class), ['foo'], $locale);
     $this->assertEquals($actualFormatter->format('foo', $locale), $testResult);
 }