3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = a + b; $b = a - b; $a = a - b;
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, 8.3.6
Fatal error: Uncaught Error: Undefined constant "a" in /in/3rsj9:3 Stack trace: #0 {main} thrown in /in/3rsj9 on line 3
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught Error: Undefined constant "a" in /in/3rsj9:3 Stack trace: #0 {main} thrown in /in/3rsj9 on line 3
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant a - assumed 'a' (this will throw an Error in a future version of PHP) in /in/3rsj9 on line 3 Warning: Use of undefined constant b - assumed 'b' (this will throw an Error in a future version of PHP) in /in/3rsj9 on line 3 Warning: A non-numeric value encountered in /in/3rsj9 on line 3 Warning: A non-numeric value encountered in /in/3rsj9 on line 3 Warning: Use of undefined constant a - assumed 'a' (this will throw an Error in a future version of PHP) in /in/3rsj9 on line 4 Warning: Use of undefined constant b - assumed 'b' (this will throw an Error in a future version of PHP) in /in/3rsj9 on line 4 Warning: A non-numeric value encountered in /in/3rsj9 on line 4 Warning: A non-numeric value encountered in /in/3rsj9 on line 4 Warning: Use of undefined constant a - assumed 'a' (this will throw an Error in a future version of PHP) in /in/3rsj9 on line 5 Warning: Use of undefined constant b - assumed 'b' (this will throw an Error in a future version of PHP) in /in/3rsj9 on line 5 Warning: A non-numeric value encountered in /in/3rsj9 on line 5 Warning: A non-numeric value encountered in /in/3rsj9 on line 5
Output for 7.1.0 - 7.1.33
Notice: Use of undefined constant a - assumed 'a' in /in/3rsj9 on line 3 Notice: Use of undefined constant b - assumed 'b' in /in/3rsj9 on line 3 Warning: A non-numeric value encountered in /in/3rsj9 on line 3 Warning: A non-numeric value encountered in /in/3rsj9 on line 3 Notice: Use of undefined constant a - assumed 'a' in /in/3rsj9 on line 4 Notice: Use of undefined constant b - assumed 'b' in /in/3rsj9 on line 4 Warning: A non-numeric value encountered in /in/3rsj9 on line 4 Warning: A non-numeric value encountered in /in/3rsj9 on line 4 Notice: Use of undefined constant a - assumed 'a' in /in/3rsj9 on line 5 Notice: Use of undefined constant b - assumed 'b' in /in/3rsj9 on line 5 Warning: A non-numeric value encountered in /in/3rsj9 on line 5 Warning: A non-numeric value encountered in /in/3rsj9 on line 5
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
Notice: Use of undefined constant a - assumed 'a' in /in/3rsj9 on line 3 Notice: Use of undefined constant b - assumed 'b' in /in/3rsj9 on line 3 Notice: Use of undefined constant a - assumed 'a' in /in/3rsj9 on line 4 Notice: Use of undefined constant b - assumed 'b' in /in/3rsj9 on line 4 Notice: Use of undefined constant a - assumed 'a' in /in/3rsj9 on line 5 Notice: Use of undefined constant b - assumed 'b' in /in/3rsj9 on line 5

preferences:
194.27 ms | 403 KiB | 289 Q