src/Fixer/Casing/LowercaseConstantsFixer.php
private function isNeighbourAccepted(Tokens $tokens, $index)
    {
        static $forbiddenTokens = [
            T_AS,
            T_CLASS,
            T_CONST,
            T_EXTENDS,
            T_IMPLEMENTS,
            T_INSTANCEOF,
            T_INSTEADOF,
            T_INTERFACE,
            T_NEW,
            T_NS_SEPARATOR,
            T_OBJECT_OPERATOR,
            T_PAAMAYIM_NEKUDOTAYIM,
            T_TRAIT,
            T_USE,
            CT::T_USE_TRAIT,
            CT::T_USE_LAMBDA,
        ];

        $token = $tokens[$index];

        if ($token->equalsAny(['{', '}'])) {
            return false;
        }

        return !$token->isGivenKind($forbiddenTokens);
    }
private function isNeighbourAccepted(Tokens $tokens, $index)
    {
        static $forbiddenTokens = [
            T_AS,
            T_CLASS,
            T_CONST,
            T_EXTENDS,
            T_IMPLEMENTS,
            T_INSTANCEOF,
            T_INSTEADOF,
            T_INTERFACE,
            T_NEW,
            T_NS_SEPARATOR,
            T_OBJECT_OPERATOR,
            T_PAAMAYIM_NEKUDOTAYIM,
            T_TRAIT,
            T_USE,
            CT::T_USE_TRAIT,
            CT::T_USE_LAMBDA,
        ];

        $token = $tokens[$index];

        if ($token->equalsAny(['{', '}'])) {
            return false;
        }

        return !$token->isGivenKind($forbiddenTokens);
    }
@param Tokens $tokens
@param int    $index

@return bool