使用原生的php查询的结果集有重复的，去重的时候遇到了一些问题：

下面是$row数字中的数据：

array(5) {

["coid"]=>

int(281)

["drid"]=>

int(84)

["drivername"]=>

string(9) "田明奇"

["drivetypetext"]=>

string(2) "B1"

["drivercompleteflag"]=>

int(0)

}

array(5) {

["coid"]=>

int(281)

["drid"]=>

int(84)

["drivername"]=>

string(9) "田明奇"

["drivetypetext"]=>

string(2) "B1"

["drivercompleteflag"]=>

int(0)

}

array(5) {

["coid"]=>

int(281)

["drid"]=>

int(752)

["drivername"]=>

string(6) "往来"

["drivetypetext"]=>

string(2) "A1"

["drivercompleteflag"]=>

int(0)

}

array(5) {

["coid"]=>

int(281)

["drid"]=>

int(755)

["drivername"]=>

string(6) "小小"

["drivetypetext"]=>

string(2) "C1"

["drivercompleteflag"]=>

int(0)

}

array(5) {

["coid"]=>

int(281)

["drid"]=>

int(759)

["drivername"]=>

string(12) "测试连续"

["drivetypetext"]=>

string(2) "A3"

["drivercompleteflag"]=>

int(0)

}

array(5) {

["coid"]=>

int(281)

["drid"]=>

int(760)

["drivername"]=>

string(8) "测试16"

["drivetypetext"]=>

string(2) "A1"

["drivercompleteflag"]=>

int(0)

}

array(5) {

["coid"]=>

int(281)

["drid"]=>

int(761)

["drivername"]=>

string(8) "测试17"

["drivetypetext"]=>

string(2) "B2"

["drivercompleteflag"]=>

int(0)

}

array(5) {

["coid"]=>

int(281)

["drid"]=>

int(765)

["drivername"]=>

string(2) "ls"

["drivetypetext"]=>

string(2) "A3"

["drivercompleteflag"]=>

int(0)

}

array(5) {

["coid"]=>

int(281)

["drid"]=>

int(768)

["drivername"]=>

string(3) "hjx"

["drivetypetext"]=>

string(2) "A1"

["drivercompleteflag"]=>

int(0)

}

array(5) {

["coid"]=>

int(281)

["drid"]=>

int(774)

["drivername"]=>

string(4) "yycc"

["drivetypetext"]=>

string(2) "A1"

["drivercompleteflag"]=>

int(0)

}

array(5) {

["coid"]=>

int(281)

["drid"]=>

int(775)

["drivername"]=>

string(6) "测试"

["drivetypetext"]=>

string(2) "A1"

["drivercompleteflag"]=>

int(0)

}

array(5) {

["coid"]=>

int(281)

["drid"]=>

int(776)

["drivername"]=>

string(3) "123"

["drivetypetext"]=>

string(2) "B1"

["drivercompleteflag"]=>

int(0)

}

array(5) {

["coid"]=>

int(281)

["drid"]=>

int(777)

["drivername"]=>

string(6) "王某"

["drivetypetext"]=>

string(2) "A1"

["drivercompleteflag"]=>

int(0)

}

array(5) {

["coid"]=>

int(281)

["drid"]=>

int(777)

["drivername"]=>

string(6) "王某"

["drivetypetext"]=>

string(2) "A1"

["drivercompleteflag"]=>

int(0)

}array(5) {

["coid"]=>

int(281)

["drid"]=>

int(84)

["drivername"]=>

string(9) "田明奇"

["drivetypetext"]=>

string(2) "B1"

["drivercompleteflag"]=>

int(0)

}

array(5) {

["coid"]=>

int(281)

["drid"]=>

int(84)

["drivername"]=>

string(9) "田明奇"

["drivetypetext"]=>

string(2) "B1"

["drivercompleteflag"]=>

int(0)

}

array(5) {

["coid"]=>

int(281)

["drid"]=>

int(752)

["drivername"]=>

string(6) "往来"

["drivetypetext"]=>

string(2) "A1"

["drivercompleteflag"]=>

int(0)

}

array(5) {

["coid"]=>

int(281)

["drid"]=>

int(755)

["drivername"]=>

string(6) "小小"

["drivetypetext"]=>

string(2) "C1"

["drivercompleteflag"]=>

int(0)

}

array(5) {

["coid"]=>

int(281)

["drid"]=>

int(759)

["drivername"]=>

string(12) "测试连续"

["drivetypetext"]=>

string(2) "A3"

["drivercompleteflag"]=>

int(0)

}

array(5) {

["coid"]=>

int(281)

["drid"]=>

int(760)

["drivername"]=>

string(8) "测试16"

["drivetypetext"]=>

string(2) "A1"

["drivercompleteflag"]=>

int(0)

}

array(5) {

["coid"]=>

int(281)

["drid"]=>

int(761)

["drivername"]=>

string(8) "测试17"

["drivetypetext"]=>

string(2) "B2"

["drivercompleteflag"]=>

int(0)

}

array(5) {

["coid"]=>

int(281)

["drid"]=>

int(765)

["drivername"]=>

string(2) "ls"

["drivetypetext"]=>

string(2) "A3"

["drivercompleteflag"]=>

int(0)

}

array(5) {

["coid"]=>

int(281)

["drid"]=>

int(768)

["drivername"]=>

string(3) "hjx"

["drivetypetext"]=>

string(2) "A1"

["drivercompleteflag"]=>

int(0)

}

array(5) {

["coid"]=>

int(281)

["drid"]=>

int(774)

["drivername"]=>

string(4) "yycc"

["drivetypetext"]=>

string(2) "A1"

["drivercompleteflag"]=>

int(0)

}

array(5) {

["coid"]=>

int(281)

["drid"]=>

int(775)

["drivername"]=>

string(6) "测试"

["drivetypetext"]=>

string(2) "A1"

["drivercompleteflag"]=>

int(0)

}

array(5) {

["coid"]=>

int(281)

["drid"]=>

int(776)

["drivername"]=>

string(3) "123"

["drivetypetext"]=>

string(2) "B1"

["drivercompleteflag"]=>

int(0)

}

array(5) {

["coid"]=>

int(281)

["drid"]=>

int(777)

["drivername"]=>

string(6) "王某"

["drivetypetext"]=>

string(2) "A1"

["drivercompleteflag"]=>

int(0)

}

array(5) {

["coid"]=>

int(281)

["drid"]=>

int(777)

["drivername"]=>

string(6) "王某"

["drivetypetext"]=>

string(2) "A1"

["drivercompleteflag"]=>

int(0)

}

如何把重复的过滤掉呀？