src/Fixer/LanguageConstruct/CombineConsecutiveIssetsFixer.php
protected function applyFix(\SplFileInfo $file, Tokens $tokens)
    {
        $tokenCount = $tokens->count();

        for ($index = 1; $index < $tokenCount; ++$index) {
            if (!$tokens[$index]->isGivenKind(T_ISSET) || $tokens[$tokens->getPrevMeaningfulToken($index)]->equals('!')) {
                continue;
            }

            $issetInfo = $this->getIssetInfo($tokens, $index);
            $issetCloseBraceIndex = end($issetInfo); // ')' token
            $insertLocation = prev($issetInfo) + 1; // one index after the previous meaningful of ')'

            $booleanAndTokenIndex = $tokens->getNextMeaningfulToken($issetCloseBraceIndex);

            while ($tokens[$booleanAndTokenIndex]->isGivenKind(T_BOOLEAN_AND)) {
                $issetIndex = $tokens->getNextMeaningfulToken($booleanAndTokenIndex);
                if (!$tokens[$issetIndex]->isGivenKind(T_ISSET)) {
                    $index = $issetIndex;

                    break;
                }

                // fetch info about the 'isset' statement that we're merging
                $nextIssetInfo = $this->getIssetInfo($tokens, $issetIndex);

                // clone what we want to move, do not clone '(' and ')' of the 'isset' statement we're merging
                $clones = $this->getTokenClones($tokens, \array_slice($nextIssetInfo, 1, -1));

                // clean up no the tokens of the 'isset' statement we're merging
                $this->clearTokens($tokens, array_merge($nextIssetInfo, [$issetIndex, $booleanAndTokenIndex]));

                // insert the tokens to create the new statement
                array_unshift($clones, new Token(','), new Token([T_WHITESPACE, ' ']));
                $tokens->insertAt($insertLocation, $clones);

                // correct some counts and offset based on # of tokens inserted
                $numberOfTokensInserted = \count($clones);
                $tokenCount += $numberOfTokensInserted;
                $issetCloseBraceIndex += $numberOfTokensInserted;
                $insertLocation += $numberOfTokensInserted;

                $booleanAndTokenIndex = $tokens->getNextMeaningfulToken($issetCloseBraceIndex);
            }
        }
    }
protected function applyFix(\SplFileInfo $file, Tokens $tokens)
    {
        $tokenCount = $tokens->count();

        for ($index = 1; $index < $tokenCount; ++$index) {
            if (!$tokens[$index]->isGivenKind(T_ISSET) || $tokens[$tokens->getPrevMeaningfulToken($index)]->equals('!')) {
                continue;
            }

            $issetInfo = $this->getIssetInfo($tokens, $index);
            $issetCloseBraceIndex = end($issetInfo); // ')' token
            $insertLocation = prev($issetInfo) + 1; // one index after the previous meaningful of ')'

            $booleanAndTokenIndex = $tokens->getNextMeaningfulToken($issetCloseBraceIndex);

            while ($tokens[$booleanAndTokenIndex]->isGivenKind(T_BOOLEAN_AND)) {
                $issetIndex = $tokens->getNextMeaningfulToken($booleanAndTokenIndex);
                if (!$tokens[$issetIndex]->isGivenKind(T_ISSET)) {
                    $index = $issetIndex;

                    break;
                }

                // fetch info about the 'isset' statement that we're merging
                $nextIssetInfo = $this->getIssetInfo($tokens, $issetIndex);

                // clone what we want to move, do not clone '(' and ')' of the 'isset' statement we're merging
                $clones = $this->getTokenClones($tokens, \array_slice($nextIssetInfo, 1, -1));

                // clean up no the tokens of the 'isset' statement we're merging
                $this->clearTokens($tokens, array_merge($nextIssetInfo, [$issetIndex, $booleanAndTokenIndex]));

                // insert the tokens to create the new statement
                array_unshift($clones, new Token(','), new Token([T_WHITESPACE, ' ']));
                $tokens->insertAt($insertLocation, $clones);

                // correct some counts and offset based on # of tokens inserted
                $numberOfTokensInserted = \count($clones);
                $tokenCount += $numberOfTokensInserted;
                $issetCloseBraceIndex += $numberOfTokensInserted;
                $insertLocation += $numberOfTokensInserted;

                $booleanAndTokenIndex = $tokens->getNextMeaningfulToken($issetCloseBraceIndex);
            }
        }
    }
{@inheritdoc}