PhpCsFixer\Fixer\Whitespace\LineEndingFixer::fix PHP Method

    public function fix(\SplFileInfo $file, Tokens $tokens)
    {
        $ending = $this->whitespacesConfig->getLineEnding();
        for ($index = 0, $count = count($tokens); $index < $count; ++$index) {
            $token = $tokens[$index];
            if ($token->isGivenKind(T_ENCAPSED_AND_WHITESPACE)) {
                if ($tokens[$tokens->getNextMeaningfulToken($index)]->isGivenKind(T_END_HEREDOC)) {
                    $token->setContent(preg_replace("#\r\n|\n#", $ending, $token->getContent()));
                }
                continue;
            }
            if ($token->isGivenKind(array(T_OPEN_TAG, T_WHITESPACE, T_COMMENT, T_DOC_COMMENT, T_START_HEREDOC))) {
                $token->setContent(preg_replace("#\r\n|\n#", $ending, $token->getContent()));
            }
        }
    }