--TEST--
Test session_set_save_handler() : basic class wrapping existing handler
--INI--
session.use_strict_mode=1
session.name=PHPSESSID
session.save_handler=files
--EXTENSIONS--
session
--SKIPIF--
<?php include('skipif.inc'); ?>
--FILE--
<?php

ob_start();

echo "*** Testing session_set_save_handler() : basic class wrapping existing handler ***\n";

class MySession extends SessionHandler {
    public $i = 0;
    public function open($path, $name): bool {
        ++$this->i;
        echo 'Open ', session_id(), "\n";
        return parent::open($path, $name);
    }
    public function create_sid(): string {
        // This method should be removed when 5.5 become unsupported.
        ++$this->i;
        echo 'Old Create SID ', session_id(), "\n";
        return parent::create_sid();
    }
    public function read($key): string|false {
        ++$this->i;
        echo 'Read ', session_id(), "\n";
        return parent::read($key);
    }
    public function write($key, $data): bool {
        ++$this->i;
        echo 'Write ', session_id(), "\n";
        return parent::write($key, $data);
    }
    public function close(): bool {
        ++$this->i;
        echo 'Close ', session_id(), "\n";
        return parent::close();
    }

    public function createSid(): string {
        // User should use this rather than create_sid()
        // If both create_sid() and createSid() exists,
        // createSid() is used.
        ++$this->i;
        echo 'New Create ID ', session_id(), "\n";
        return parent::create_sid();
    }
    public function validateId($key): bool {
        ++$this->i;
        echo 'Validate ID ', session_id(), "\n";
        return TRUE;
        // User must implement their own method and
        // cannot call parent as follows.
        // return parent::validateSid($key);
    }
    public function updateTimestamp($key, $data): bool {
        ++$this->i;
        echo 'Update Timestamp ', session_id(), "\n";
        return parent::write($key, $data);
        // User must implement their own method and
        // cannot call parent as follows
        // return parent::updateTimestamp($key, $data);
    }
}

$oldHandler = ini_get('session.save_handler');
$handler = new MySession;
session_set_save_handler($handler);
session_start();

var_dump(session_id(), $oldHandler, ini_get('session.save_handler'), $handler->i, $_SESSION);

$_SESSION['foo'] = "hello";

session_write_close();
session_unset();

session_start();
var_dump($_SESSION);

session_write_close();
session_unset();
var_dump($handler->i);
?>
--EXPECTF--
*** Testing session_set_save_handler() : basic class wrapping existing handler ***
Open 
Old Create SID 
Read %s
string(%d) "%s"
string(5) "files"
string(4) "user"
int(3)
array(0) {
}
Write %s
Close %s
Open %s
Validate ID %s
Read %s
array(1) {
  ["foo"]=>
  string(5) "hello"
}
Update Timestamp %s
Close %s
int(10)