redirect to previous url

[eluser]Evollution[/eluser]
for example my website is www.site.com

and persson x acces this website from google/yahoo/bing/othersite
how can i redirect this person to google/yahoo/bing/othersite when it is accesign my webiste

[eluser]InsiteFX[/eluser]
Not tested but you can try this.

Code:

$ref = $this->input->server('HTTP_REFERER', TRUE);
redirect($ref, 'location');

InsiteFX

[eluser]tim peterson[/eluser]
thanks @InsiteFX,

your code works for me,

tim

[eluser]MohamedFawzy[/eluser]
i want to use this code for redirect me after login with twitter but not working