code: protected function applyFix(\SplFileInfo $file, Tokens $tokens)
      {
          foreach ($tokens as $index => $token) {
              if (!$token->isGivenKind(T_ELSE)) {
                  continue;
              }
  
              $ifTokenIndex = $tokens->getNextMeaningfulToken($index);
  
              // if next meaningful token is not T_IF - continue searching, this is not the case for fixing
              if (!$tokens[$ifTokenIndex]->isGivenKind(T_IF)) {
                  continue;
              }
  
              // if next meaningful token is T_IF, but uses an alternative syntax - this is not the case for fixing neither
              $conditionEndBraceIndex = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_PARENTHESIS_BRACE, $tokens->getNextMeaningfulToken($ifTokenIndex));
              $afterConditionIndex = $tokens->getNextMeaningfulToken($conditionEndBraceIndex);
              if ($tokens[$afterConditionIndex]->equals(':')) {
                  continue;
              }
  
              // now we have T_ELSE following by T_IF with no alternative syntax so we could fix this
              // 1. clear whitespaces between T_ELSE and T_IF
              $tokens->clearAt($index + 1);
  
              // 2. change token from T_ELSE into T_ELSEIF
              $tokens[$index] = new Token([T_ELSEIF, 'elseif']);
  
              // 3. clear succeeding T_IF
              $tokens->clearAt($ifTokenIndex);
  
              $beforeIfTokenIndex = $tokens->getPrevNonWhitespace($ifTokenIndex);
  
              // 4. clear extra whitespace after T_IF in T_COMMENT,T_WHITESPACE?,T_IF,T_WHITESPACE sequence
              if ($tokens[$beforeIfTokenIndex]->isComment() && $tokens[$ifTokenIndex + 1]->isWhitespace()) {
                  $tokens->clearAt($ifTokenIndex + 1);
              }
          }
      }
docs: Replace all `else if` (T_ELSE T_IF) with `elseif` (T_ELSEIF).
  
  {@inheritdoc}