src/Fixer/ControlStructure/YodaStyleFixer.php
private function isOfLowerPrecedence(Token $token)
    {
        static $tokens;

        if (null === $tokens) {
            $tokens = [
                T_AND_EQUAL,    // &=
                T_BOOLEAN_AND,  // &&
                T_BOOLEAN_OR,   // ||
                T_CASE,         // case
                T_CONCAT_EQUAL, // .=
                T_DIV_EQUAL,    // /=
                T_DOUBLE_ARROW, // =>
                T_GOTO,         // goto
                T_LOGICAL_AND,  // and
                T_LOGICAL_OR,   // or
                T_LOGICAL_XOR,  // xor
                T_MINUS_EQUAL,  // -=
                T_MUL_EQUAL,    // *=
                T_OR_EQUAL,     // |=
                T_PLUS_EQUAL,   // +=
                T_RETURN,       // return
                T_SL_EQUAL,     // <<
                T_SR_EQUAL,     // >>=
                T_THROW,        // throw
                T_XOR_EQUAL,    // ^=
                T_ECHO,
                T_PRINT,
                T_OPEN_TAG,
                T_OPEN_TAG_WITH_ECHO,
            ];

            if (\defined('T_POW_EQUAL')) {
                $tokens[] = T_POW_EQUAL; // **=
            }

            if (\defined('T_COALESCE')) {
                $tokens[] = T_COALESCE; // ??
            }
        }

        static $otherTokens = [
            // bitwise and, or, xor
            '&', '|', '^',
            // ternary operators
            '?', ':',
            // assignment
            '=',
            // end of PHP statement
            ',', ';',
        ];

        return $token->isGivenKind($tokens) || $token->equalsAny($otherTokens);
    }
private function isOfLowerPrecedence(Token $token)
    {
        static $tokens;

        if (null === $tokens) {
            $tokens = [
                T_AND_EQUAL,    // &=
                T_BOOLEAN_AND,  // &&
                T_BOOLEAN_OR,   // ||
                T_CASE,         // case
                T_CONCAT_EQUAL, // .=
                T_DIV_EQUAL,    // /=
                T_DOUBLE_ARROW, // =>
                T_GOTO,         // goto
                T_LOGICAL_AND,  // and
                T_LOGICAL_OR,   // or
                T_LOGICAL_XOR,  // xor
                T_MINUS_EQUAL,  // -=
                T_MUL_EQUAL,    // *=
                T_OR_EQUAL,     // |=
                T_PLUS_EQUAL,   // +=
                T_RETURN,       // return
                T_SL_EQUAL,     // <<
                T_SR_EQUAL,     // >>=
                T_THROW,        // throw
                T_XOR_EQUAL,    // ^=
                T_ECHO,
                T_PRINT,
                T_OPEN_TAG,
                T_OPEN_TAG_WITH_ECHO,
            ];

            if (\defined('T_POW_EQUAL')) {
                $tokens[] = T_POW_EQUAL; // **=
            }

            if (\defined('T_COALESCE')) {
                $tokens[] = T_COALESCE; // ??
            }
        }

        static $otherTokens = [
            // bitwise and, or, xor
            '&', '|', '^',
            // ternary operators
            '?', ':',
            // assignment
            '=',
            // end of PHP statement
            ',', ';',
        ];

        return $token->isGivenKind($tokens) || $token->equalsAny($otherTokens);
    }
Checks whether the given token has a lower precedence than `T_IS_EQUAL`
or `T_IS_IDENTICAL`.

@param Token $token The token to check

@return bool Whether the token has a lower precedence