How can i save the facebook profile picture to my local folder using facebook graph api in codeigniter? -

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i have sdk , facebook login working fine. getting user details without problem , problem profile picture.

if geting user profile image use following function work me

    $this->save_profile_photo($socialuser['image']);      function save_profile_photo($link) {         if ($link) {             $img = file_get_contents($link);             $imagename = "/profile" .  . '-' . date('y-m-d-h-i-s') . '.jpg';             $file = base_url(profile_image) . '/' . $imagename;             file_put_contents($file, $img);         }     }

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