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run code in 150+ php & hhvm versions
Bugs & Features
<?php class Vendor_MyClass_Works { const MY_CONST = 'core'; } class MyClass_Works extends Vendor_MyClass_Works { const MY_CONST = 'venture'; } interface Vendor_Interface_Fails { const MY_CONST = 'core'; } interface MyClass_Fails extends Vendor_Interface_Fails { const MY_CONST = 'venture'; }
Output for 5.2.12 - 5.2.17, 7.0.0 - 7.1.0
Fatal error: Cannot inherit previously-inherited or override constant MY_CONST from interface Vendor_Interface_Fails in /in/cvJEj on line 18
Process exited with code 255.
Output for hhvm-3.10.0 - 3.12.0
Fatal error: Cannot override previously defined constant Vendor_Interface_Fails::MY_CONST in MyClass_Fails in /in/cvJEj on line 18
Process exited with code 255.
Output for 5.3.2 - 5.6.28
Fatal error: Cannot inherit previously-inherited or override constant MY_CONST from interface Vendor_Interface_Fails in /in/cvJEj on line 19
Process exited with code 255.
Output for 5.3.0 - 5.3.1
Fatal error: Cannot inherit previously-inherited constant MY_CONST from interface Vendor_Interface_Fails in /in/cvJEj on line 19
Process exited with code 255.
Output for 5.2.3 - 5.2.11
Fatal error: Cannot inherit previously-inherited constant MY_CONST from interface Vendor_Interface_Fails in /in/cvJEj on line 18
Process exited with code 255.
Output for 5.0.0 - 5.2.2
<br /> <b>Fatal error</b>: Cannot inherit previously-inherited constant MY_CONST from interface Vendor_Interface_Fails in <b>/in/cvJEj</b> on line <b>18</b><br />
Process exited with code 255.
Output for 4.4.2 - 4.4.9
<br /> <b>Parse error</b>: syntax error, unexpected T_CONST, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in <b>/in/cvJEj</b> on line <b>4</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
<br /> <b>Parse error</b>: parse error, unexpected T_CONST, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in <b>/in/cvJEj</b> on line <b>4</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in <b>/in/cvJEj</b> on line <b>4</b><br />
Process exited with code 255.