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run code in 150+ php & hhvm versions
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<?php //phpinfo(); $dp = new DatePeriod(new DateTime('2010-01-01 UTC'), new DateInterval('P1D'), 2); echo "Original:\r\n"; foreach($dp as $dt) { echo $dt->format('Y-m-d H:i:s')."\r\n"; } echo "\r\n"; $ser = serialize($dp); // $ser is: O:10:"DatePeriod":0:{} // Create dangerous instance $dpu = unserialize($ser); // $dpu has invalid values… echo "Unserialized:\r\n"; // …which leads to CRASH: foreach($dpu as $dt) { echo $dt->format('Y-m-d H:i:s')."\r\n"; }
Output for 5.3.27 - 5.3.29, 5.4.17 - 5.6.28, 7.0.0 - 7.1.0
Original: 2010-01-01 00:00:00 2010-01-02 00:00:00 2010-01-03 00:00:00 Unserialized: 2010-01-01 00:00:00 2010-01-02 00:00:00 2010-01-03 00:00:00
Output for hhvm-3.12.0
Original: 2010-01-01 00:00:00 2010-01-02 00:00:00 2010-01-03 00:00:00 Warning: Attempted to serialize unserializable builtin class DateInterval in /in/oD2PI on line 13 Unserialized: 2010-01-01 00:00:00 Fatal error: Uncaught TypeError: Argument 1 passed to DateTime::add() must be an instance of DateInterval, null given in /in/oD2PI:22 Stack trace: #0 /in/oD2PI(22): DatePeriod->next() #1 {main}
Process exited with code 255.
Output for hhvm-3.10.0
Original: 2010-01-01 00:00:00 2010-01-02 00:00:00 2010-01-03 00:00:00 Warning: Attempted to serialize unserializable builtin class DateInterval in /in/oD2PI on line 13 Unserialized: 2010-01-01 00:00:00 Warning: add() expects parameter 1 to be object, null given
Output for 5.3.0 - 5.3.26, 5.4.0 - 5.4.16
Original: 2010-01-01 00:00:00 2010-01-02 00:00:00 2010-01-03 00:00:00 Unserialized:
Process exited with code 139.
Output for 5.0.0 - 5.2.17
Fatal error: Class 'DatePeriod' not found in /in/oD2PI on line 5
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: dateperiod in /in/oD2PI on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: dateperiod in /in/oD2PI on line 5