3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php interface A { const FOO = 'A FOO'; const BAR = 'A BAR'; } interface B { const FOO = 'B FOO'; } class C implements B, A { } echo C::FOO; echo C::BAR;
based on 8KOB8
Output for 5.2.12 - 5.2.17, 5.3.2 - 5.6.21, 7.0.0 - 7.1.0
Fatal error: Cannot inherit previously-inherited or override constant FOO from interface A in /in/DSeK9 on line 11
Process exited with code 255.
Output for hhvm-3.12.0
Fatal error: C cannot inherit the constant FOO from A, because it was previously inherited from B in /in/DSeK9 on line 11
Process exited with code 255.
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.2.11, 5.3.0 - 5.3.1
Fatal error: Cannot inherit previously-inherited constant FOO from interface A in /in/DSeK9 on line 11
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/DSeK9 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/DSeK9 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/DSeK9 on line 2
Process exited with code 255.