src/Fixer/ClassNotation/NoBlankLinesAfterClassOpeningFixer.php
private function fixWhitespace(Tokens $tokens, $index)
    {
        $content = $tokens[$index]->getContent();
        // if there is more than one new line in the whitespace, then we need to fix it
        if (substr_count($content, "\n") > 1) {
            // the final bit of the whitespace must be the next statement's indentation
            $tokens[$index] = new Token([T_WHITESPACE, $this->whitespacesConfig->getLineEnding().substr($content, strrpos($content, "\n") + 1)]);
        }
    }
private function fixWhitespace(Tokens $tokens, $index)
    {
        $content = $tokens[$index]->getContent();
        // if there is more than one new line in the whitespace, then we need to fix it
        if (substr_count($content, "\n") > 1) {
            // the final bit of the whitespace must be the next statement's indentation
            $tokens[$index] = new Token([T_WHITESPACE, $this->whitespacesConfig->getLineEnding().substr($content, strrpos($content, "\n") + 1)]);
        }
    }
Cleanup a whitespace token.

@param Tokens $tokens
@param int    $index