get value from query and put on controller

[eluser]ranggadablues[/eluser]
thank you for the reply, but it show some error :

A PHP Error was encountered

Severity: Warning

Message: preg_match() expects parameter 2 to be string, object given

Filename: libraries/Email.php

Line Number: 795

A PHP Error was encountered

Severity: 4096

Message: Object of class stdClass could not be converted to string

Filename: libraries/Email.php

Line Number: 272

A PHP Error was encountered

Severity: 4096

Message: Object of class stdClass could not be converted to string

Filename: libraries/Email.php

Line Number: 282

so, which part is wrong? thank you