3v4l.org

run code in 300+ PHP versions simultaneously
<?php class CustomDateTime extends \DateTime { public $hello = "World"; } $period = new \DatePeriod( new CustomDateTime('now'), new \DateInterval('P1D'), new CustomDateTime('now + 7 days') ); foreach ($period as $day) { echo $day->hello . "\n"; }
Output for 8.4.1 - 8.4.12
Warning: Undefined property: DateTime::$hello in /in/tpo2U on line 14 Warning: Undefined property: DateTime::$hello in /in/tpo2U on line 14 Warning: Undefined property: DateTime::$hello in /in/tpo2U on line 14 Warning: Undefined property: DateTime::$hello in /in/tpo2U on line 14 Warning: Undefined property: DateTime::$hello in /in/tpo2U on line 14 Warning: Undefined property: DateTime::$hello in /in/tpo2U on line 14 Warning: Undefined property: DateTime::$hello in /in/tpo2U on line 14 Warning: Undefined property: DateTime::$hello in /in/tpo2U on line 14
Output for 8.0.22 - 8.0.30, 8.1.9 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25
Warning: Undefined property: DateTime::$hello in /in/tpo2U on line 14 Warning: Undefined property: DateTime::$hello in /in/tpo2U on line 14 Warning: Undefined property: DateTime::$hello in /in/tpo2U on line 14 Warning: Undefined property: DateTime::$hello in /in/tpo2U on line 14 Warning: Undefined property: DateTime::$hello in /in/tpo2U on line 14 Warning: Undefined property: DateTime::$hello in /in/tpo2U on line 14 Warning: Undefined property: DateTime::$hello in /in/tpo2U on line 14
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.21, 8.1.0 - 8.1.8
World World World World World World World
preferences:
105.41 ms | 409 KiB | 5 Q