3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public const BAR = BAZ; } try { new Foo(); } catch (Throwable $e) { echo (string) $e . "\n"; } define('BAZ', 'BAZ'); new Foo(); var_dump(Foo::BAR);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.4, 8.3.6 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
Error: Undefined constant "BAZ" in /in/ghG5d:8 Stack trace: #0 {main} string(3) "BAZ"
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
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 Error: Undefined constant "BAZ" in /in/ghG5d:8 Stack trace: #0 {main} string(3) "BAZ"
Output for 7.3.13 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant BAZ - assumed 'BAZ' (this will throw an Error in a future version of PHP) in /in/ghG5d on line 8 string(3) "BAZ"

preferences:
189.6 ms | 411 KiB | 5 Q