remove all strings before '/'

Hi,

My one (1) varriable $string is return string like this 'fishes_photos/item_thumb_photo_9252Winter.jpg'


I need to remove all strings before '/' and also remove '/' like this 'item_thumb_photo_9252Winter.jpg'

I used str_replace() but unable to achieve my need please help me

Regards.

$arr=explode($string,',');
echo end($arr);

$file_name = basename( $string );

echo $file_name; // item_thumb_photo_9252Winter.jpg