3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php interface A { const A = 'A'; } interface B extends A { const A = 'B'; }
Output for 5.2.12 - 5.2.17, 5.3.2 - 5.6.28, 7.0.0 - 7.1.0
Fatal error: Cannot inherit previously-inherited or override constant A from interface A in /in/XaNb1 on line 6
Process exited with code 255.
Output for hhvm-3.10.0 - 3.12.0
Fatal error: Cannot override previously defined constant A::A in B in /in/XaNb1 on line 6
Process exited with code 255.
Output for 5.0.0 - 5.2.11, 5.3.0 - 5.3.1
Fatal error: Cannot inherit previously-inherited constant A from interface A in /in/XaNb1 on line 6
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/XaNb1 on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING in /in/XaNb1 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/XaNb1 on line 2
Process exited with code 255.