private function fixEmptyElse(Tokens $tokens, $index)
    {
        $next = $tokens->getNextMeaningfulToken($index);
        if ($tokens[$next]->equals('{')) {
            $close = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_CURLY_BRACE, $next);
            if (1 === $close - $next) { // '{}'
                $this->clearElse($tokens, $index);
            } elseif ($tokens->getNextMeaningfulToken($next) === $close) { // '{/**/}'
                $this->clearElse($tokens, $index);
            }

            return;
        }

        // short `else`
        $end = $tokens->getNextTokenOfKind($index, [';', [T_CLOSE_TAG]]);
        if ($next === $end) {
            $this->clearElse($tokens, $index);
        }
    }
private function fixEmptyElse(Tokens $tokens, $index)
    {
        $next = $tokens->getNextMeaningfulToken($index);
        if ($tokens[$next]->equals('{')) {
            $close = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_CURLY_BRACE, $next);
            if (1 === $close - $next) { 
                $this->clearElse($tokens, $index);
            } elseif ($tokens->getNextMeaningfulToken($next) === $close) { 
                $this->clearElse($tokens, $index);
            }

            return;
        }

        
        $end = $tokens->getNextTokenOfKind($index, [';', [T_CLOSE_TAG]]);
        if ($next === $end) {
            $this->clearElse($tokens, $index);
        }
    }
private function fixEmptyElse ( Tokens $ tokens , $ index ) { $ next = $ tokens -> getNextMeaningfulToken ( $ index ) ; if ( $ tokens [ $ next ] -> equals ( '{' ) ) { $ close = $ tokens -> findBlockEnd ( Tokens :: BLOCK_TYPE_CURLY_BRACE , $ next ) ; if ( 1 === $ close - $ next ) { // '{}' $ this -> clearElse ( $ tokens , $ index ) ; } elseif ( $ tokens -> getNextMeaningfulToken ( $ next ) === $ close ) { // '{/**/}' $ this -> clearElse ( $ tokens , $ index ) ; } return ; } // short `else` $ end = $ tokens -> getNextTokenOfKind ( $ index , [ ';' , [ T_CLOSE_TAG ] ] ) ; if ( $ next === $ end ) { $ this -> clearElse ( $ tokens , $ index ) ; } }
Remove tokens part of an `else` statement if not empty (i.e. no meaningful tokens inside).

@param Tokens $tokens
@param int    $index  T_ELSE index
Remove tokens part of an else statement if not empty ( i . e . no meaningful tokens inside ) .