3v4l.org

run code in 300+ PHP versions simultaneously
<?php $old = 30; $name ='翔太'; if ($old >= 20){ print name+'年齢は20才以上です'; } ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught Error: Undefined constant "name" in /in/KM2UX:6 Stack trace: #0 {main} thrown in /in/KM2UX on line 6
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant name - assumed 'name' (this will throw an Error in a future version of PHP) in /in/KM2UX on line 6 Warning: A non-numeric value encountered in /in/KM2UX on line 6 Warning: A non-numeric value encountered in /in/KM2UX on line 6 0
Output for 7.1.0 - 7.1.20
Notice: Use of undefined constant name - assumed 'name' in /in/KM2UX on line 6 Warning: A non-numeric value encountered in /in/KM2UX on line 6 Warning: A non-numeric value encountered in /in/KM2UX on line 6 0
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20
Notice: Use of undefined constant name - assumed 'name' in /in/KM2UX on line 6 0

preferences:
216.8 ms | 403 KiB | 311 Q