3v4l.org

run code in 300+ PHP versions simultaneously
<?php $now = new DateTime(); $post = new DateTime($row2[post_date]); $interval = $datetime1->diff($datetime2); echo "Updated " . $interval->format('h') . " hours ago";
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Undefined constant "post_date" in /in/EAVqt:3 Stack trace: #0 {main} thrown in /in/EAVqt on line 3
Process exited with code 255.
Output for 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Warning: Use of undefined constant post_date - assumed 'post_date' (this will throw an Error in a future version of PHP) in /in/EAVqt on line 3 Notice: Undefined variable: row2 in /in/EAVqt on line 3 Notice: Trying to access array offset on value of type null in /in/EAVqt on line 3 Notice: Undefined variable: datetime1 in /in/EAVqt on line 4 Fatal error: Uncaught Error: Call to a member function diff() on null in /in/EAVqt:4 Stack trace: #0 {main} thrown in /in/EAVqt on line 4
Process exited with code 255.
Output for 7.3.32 - 7.3.33, 7.4.26
Warning: Use of undefined constant post_date - assumed 'post_date' (this will throw an Error in a future version of PHP) in /in/EAVqt on line 3 Fatal error: Uncaught Error: Call to a member function diff() on null in /in/EAVqt:4 Stack trace: #0 {main} thrown in /in/EAVqt on line 4
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31
Warning: Use of undefined constant post_date - assumed 'post_date' (this will throw an Error in a future version of PHP) in /in/EAVqt on line 3 Notice: Undefined variable: row2 in /in/EAVqt on line 3 Notice: Undefined variable: datetime1 in /in/EAVqt on line 4 Fatal error: Uncaught Error: Call to a member function diff() on null in /in/EAVqt:4 Stack trace: #0 {main} thrown in /in/EAVqt on line 4
Process exited with code 255.
Output for 7.0.5 - 7.0.33, 7.1.0 - 7.1.25
Notice: Use of undefined constant post_date - assumed 'post_date' in /in/EAVqt on line 3 Notice: Undefined variable: row2 in /in/EAVqt on line 3 Notice: Undefined variable: datetime1 in /in/EAVqt on line 4 Fatal error: Uncaught Error: Call to a member function diff() on null in /in/EAVqt:4 Stack trace: #0 {main} thrown in /in/EAVqt on line 4
Process exited with code 255.
Output for 7.0.0 - 7.0.4
Notice: Use of undefined constant post_date - assumed 'post_date' in /in/EAVqt on line 3 Notice: Undefined variable: row2 in /in/EAVqt on line 3 Notice: Undefined variable: datetime1 in /in/EAVqt on line 4 Fatal error: Uncaught Error: Call to a member function diff() on unknown in /in/EAVqt:4 Stack trace: #0 {main} thrown in /in/EAVqt on line 4
Process exited with code 255.
Output for 5.6.0 - 5.6.38
Notice: Use of undefined constant post_date - assumed 'post_date' in /in/EAVqt on line 3 Notice: Undefined variable: row2 in /in/EAVqt on line 3 Notice: Undefined variable: datetime1 in /in/EAVqt on line 4 Fatal error: Call to a member function diff() on null in /in/EAVqt on line 4
Process exited with code 255.
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38
Notice: Use of undefined constant post_date - assumed 'post_date' in /in/EAVqt on line 3 Notice: Undefined variable: row2 in /in/EAVqt on line 3 Notice: Undefined variable: datetime1 in /in/EAVqt on line 4 Fatal error: Call to a member function diff() on a non-object in /in/EAVqt on line 4
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/EAVqt on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetime in /in/EAVqt on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: datetime in /in/EAVqt on line 2

preferences:
265.7 ms | 401 KiB | 425 Q