PhpCsFixer\Fixer\ArrayNotation\NoMultilineWhitespaceAroundDoubleArrowFixer::fix PHP Метод

    public function fix(\SplFileInfo $file, Tokens $tokens)
    {
        foreach ($tokens as $index => $token) {
            if (!$token->isGivenKind(T_DOUBLE_ARROW)) {
                continue;
            }
            $this->fixWhitespace($tokens[$index - 1]);
            // do not move anything about if there is a comment following the whitespace
            if (!$tokens[$index + 2]->isComment()) {
                $this->fixWhitespace($tokens[$index + 1]);
            }
        }
    }