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Warning: include(): Failed opening 'library\mySql.php' for inclusion (include_path='.:/www/server/php/73/lib/php') in /www/wwwroot/yonghaoka.cn/exchanges.php on line 3

Fatal error: Uncaught Error: Class 'Mysql' not found in /www/wwwroot/yonghaoka.cn/exchanges.php:4 Stack trace: #0 {main} thrown in /www/wwwroot/yonghaoka.cn/exchanges.php on line 4