Array and string offset access syntax with curly braces is deprecated

[8192] ErrorException in /www/127.0.0.3_scutn_com/vendor/thinkphp/library/think/db/Query.php line 568 Array and string offset access syntax with curly braces is deprecated

 

 

 // 按照字段的首字母的值分表                        

$seq = (ord($value{0}) % $rule['num']) + 1;                      

改成: 

 

$seq = (ord(  substr($value ,0,1)  ) % $rule['num']) + 1;

 

// $str {0}这种写法被废弃了。