ci - php mysqli 不能串連mysql.sock

Message: mysqli_connect(): (HY000/2002): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)我在命令列 mysql -uroot -p -S/var/lib/mysql/mysql.sock 是可以連上的

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Message: mysqli_connect(): (HY000/2002): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)我在命令列 mysql -uroot -p -S/var/lib/mysql/mysql.sock 是可以連上的

// By UNIX Domain Socket$mysqli = @new mysqli(    null,     $app['db_username'],     $app['db_password'],     $app['db_name'],     null,     $app['db_socket']);// By TCP Port$mysqli = @new mysqli(    $app['db_host'],     $app['db_username'],     $app['db_password'],     $app['db_name'],     $app['db_port']);

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