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run code in 300+ PHP versions simultaneously
<?php $str = 'O:8:"DateTime":3:{s:4:"date";s:26:"2000-01-01 00:00:00.000000";s:13:"timezone_type";i:3;s:8:"timezone";s:3:"UTC";}'; var_export(unserialize($str));
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
\DateTime::__set_state(array( 'date' => '2000-01-01 00:00:00.000000', 'timezone_type' => 3, 'timezone' => 'UTC', ))
Output for 5.2.0 - 5.2.17, 5.4.30 - 5.4.45, 5.5.14 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
DateTime::__set_state(array( 'date' => '2000-01-01 00:00:00.000000', 'timezone_type' => 3, 'timezone' => 'UTC', ))
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.29, 5.5.0 - 5.5.13
DateTime::__set_state(array( 'date' => '2000-01-01 00:00:00', 'timezone_type' => 3, 'timezone' => 'UTC', ))
Output for 5.1.0 - 5.1.6
__PHP_Incomplete_Class::__set_state(array( '__PHP_Incomplete_Class_Name' => 'DateTime', 'date' => '2000-01-01 00:00:00.000000', 'timezone_type' => 3, 'timezone' => 'UTC', ))
Output for 5.0.0 - 5.0.5
class __PHP_Incomplete_Class { public $__PHP_Incomplete_Class_Name = 'DateTime'; public $date = '2000-01-01 00:00:00.000000'; public $timezone_type = 3; public $timezone = 'UTC'; }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
class __PHP_Incomplete_Class { var $__PHP_Incomplete_Class_Name = 'datetime'; var $date = '2000-01-01 00:00:00.000000'; var $timezone_type = 3; var $timezone = 'UTC'; }

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