3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php const FOO = [1,2,3]; var_dump(FOO[0]);
Output for 5.6.0 - 5.6.28, 7.0.0 - 7.1.0
int(1)
Output for hhvm-3.12.0 - 3.13.2
Fatal error: Uncaught Error: syntax error, unexpected '[', expecting ')' in /in/lHHg3:5 Stack trace: #0 {main}
Process exited with code 255.
Output for hhvm-3.10.0
Fatal error: syntax error, unexpected '[', expecting ')' in /in/lHHg3 on line 5
Process exited with code 255.
Output for 5.4.0 - 5.5.38
Fatal error: Arrays are not allowed as constants in /in/lHHg3 on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/lHHg3 on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_CONST in /in/lHHg3 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_CONST in /in/lHHg3 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/lHHg3 on line 3
Process exited with code 255.