3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { const FOO = 1+2; } echo Foo::FOO;
Output for 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.21, 8.4.1 - 8.4.7
3
Output for 5.5.0 - 5.5.38
Parse error: syntax error, unexpected '+', expecting ',' or ';' in /in/6TDZV on line 4
Process exited with code 255.
preferences:
168.26 ms | 407 KiB | 5 Q