--TEST--
Bug #53437 (Crash when using unserialized DatePeriod instance), variation 0
--FILE--
<?php
$dp = new DatePeriod(new DateTime('2010-01-01 UTC'), new DateInterval('P1D'), 2);

echo "Original:\r\n";
foreach($dp as $dt) {
        echo $dt->format('Y-m-d H:i:s')."\r\n";
}
echo "\r\n";
var_dump($dp);

$ser = serialize($dp); // $ser is: O:10:"DatePeriod":0:{}

// Create dangerous instance
$dpu = unserialize($ser); // $dpu has invalid values???
var_dump($dpu);

echo "Unserialized:\r\n";
foreach($dpu as $dt) {
        echo $dt->format('Y-m-d H:i:s')."\r\n";
}
?>
--EXPECTF--
Original:
2010-01-01 00:00:00
2010-01-02 00:00:00
2010-01-03 00:00:00

object(DatePeriod)#%d (%d) {
  ["start"]=>
  object(DateTime)#%d (%d) {
    ["date"]=>
    string(26) "2010-01-01 00:00:00.000000"
    ["timezone_type"]=>
    int(3)
    ["timezone"]=>
    string(3) "UTC"
  }
  ["current"]=>
  object(DateTime)#%d (%d) {
    ["date"]=>
    string(26) "2010-01-04 00:00:00.000000"
    ["timezone_type"]=>
    int(3)
    ["timezone"]=>
    string(3) "UTC"
  }
  ["end"]=>
  NULL
  ["interval"]=>
  object(DateInterval)#%d (%d) {
    ["y"]=>
    int(0)
    ["m"]=>
    int(0)
    ["d"]=>
    int(1)
    ["h"]=>
    int(0)
    ["i"]=>
    int(0)
    ["s"]=>
    int(0)
    ["f"]=>
    float(0)
    ["invert"]=>
    int(0)
    ["days"]=>
    bool(false)
    ["from_string"]=>
    bool(false)
  }
  ["recurrences"]=>
  int(3)
  ["include_start_date"]=>
  bool(true)
  ["include_end_date"]=>
  bool(false)
}
object(DatePeriod)#%d (%d) {
  ["start"]=>
  object(DateTime)#%d (%d) {
    ["date"]=>
    string(26) "2010-01-01 00:00:00.000000"
    ["timezone_type"]=>
    int(3)
    ["timezone"]=>
    string(3) "UTC"
  }
  ["current"]=>
  object(DateTime)#%d (%d) {
    ["date"]=>
    string(26) "2010-01-04 00:00:00.000000"
    ["timezone_type"]=>
    int(3)
    ["timezone"]=>
    string(3) "UTC"
  }
  ["end"]=>
  NULL
  ["interval"]=>
  object(DateInterval)#%d (%d) {
    ["y"]=>
    int(0)
    ["m"]=>
    int(0)
    ["d"]=>
    int(1)
    ["h"]=>
    int(0)
    ["i"]=>
    int(0)
    ["s"]=>
    int(0)
    ["f"]=>
    float(0)
    ["invert"]=>
    int(0)
    ["days"]=>
    bool(false)
    ["from_string"]=>
    bool(false)
  }
  ["recurrences"]=>
  int(3)
  ["include_start_date"]=>
  bool(true)
  ["include_end_date"]=>
  bool(false)
}
Unserialized:
2010-01-01 00:00:00
2010-01-02 00:00:00
2010-01-03 00:00:00