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<?php class UserNotFoundException extends \Exception {} function check_user_exists($user_id) { // check user account hasn't been deleted, otherwise throw: throw new UserNotFoundException("exceptions for flow control are great.\n"); } class User { private $id = 5; function __unserialize(array $data) { check_user_exists($data["\x00User\x00id"]); } } $user = new User(); $data = serialize($user); echo "$data \n"; try { $result = unserialize($data); } catch (UserNotFoundException $unfe) { echo "redirect user to login page\n"; exit(0); } echo "User is valid.\n";
Output for git.master, git.master_jit, rfc.property-hooks
O:4:"User":1:{s:8:"Userid";i:5;} redirect user to login page

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