How to get id from URL in codeigniter?

if you have to pass the value you should enter url like this

localhost/yoururl/index.php/products_controller/delete_controller/70

and in controller function you can read like this

function delete_controller( $product_id = NULL ) {
  echo $product_id;
}

$product_id = $this->input->get('id', TRUE);
echo $product_id;

Check the below code hope that you get your parameter

echo $this->uri->segment('3');

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