这些函数的行为受 php.ini 中的设置影响。
| 名字 | 默认 | 可修改范围 | 更新日志 | 
|---|---|---|---|
| mysqlnd_uh.enable | 1 | PHP_INI_SYSTEM | |
| mysqlnd_uh.report_wrong_types | 1 | PHP_INI_ALL | 
这是配置指令的简短说明。
mysqlnd_uh.enable
      integer
     Enables or disables the plugin. If set to disabled, the extension will not allow users to plug into mysqlnd to hook mysqlnd calls.
mysqlnd_uh.report_wrong_types
      integer
     
       Whether to report wrong return value types of user hooks as 
       E_WARNING level errors. This is recommended
       for detecting errors.