Array and string offset access syntax with curly braces is deprecated

Array and string offset access syntax with curly braces is deprecated

php7.4的大坑 找到框架代碼中的
$seq = (ord($seq=(ord(value{0}) % $rule[‘num’]) + 1;
改爲
$seq = (ord($seq=(ord(value[0]) % $rule[‘num’]) + 1;