how to get file extensions

[eluser]ebuoe[/eluser]
please how do i get the file extension of a picture while uploading,need it for a critical part of my project , any help would be appreciated

[eluser]Genuine Scope[/eluser]

Code:

end(explode(".", $this->upload->file_name));

[eluser]ebuoe[/eluser]
thanks a lot ,bt i figure out a way to do it ..


/*pass all the upload data to the $img_data array*/
$img_data = $this->upload->data();

/*the file(image) extension type png or gif or jpg*/
$img_ext = $img_data['file_ext'];