3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace ns01 { class cl01 { const ONE = 1 +1; const ONE2 = [1, 2 ,3]; } } namespace ns02 { class cl02 { const TWO = \ns01\cl01::ONE; function test($tmp = \ns01\cl01::ONE) { return 1 + \ns01\cl01::ONE; } } $tmp = new cl02(); $tmp->test(); }
Output for 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38
Parse error: syntax error, unexpected '+', expecting ',' or ';' in /in/EWJGQ on line 6
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_STRING in /in/EWJGQ on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/EWJGQ on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/EWJGQ on line 3
Process exited with code 255.

preferences:
275.54 ms | 401 KiB | 423 Q