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run code in 150+ php & hhvm versions
Bugs & Features
<?php class Base { const x = Derived::y; } class Derived extends Base { public static $y = 42; } echo Base::x;
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Undefined class constant 'Derived::y' in /in/CMsmT:10 Stack trace: #0 {main} thrown in /in/CMsmT on line 10
Process exited with code 255.
Output for hhvm-3.12.0
Fatal error: Uncaught Error: Couldn't find constant Derived::y in /in/CMsmT:3 Stack trace: #0 {main}
Process exited with code 255.
Output for hhvm-3.10.0
Fatal error: Couldn't find constant Derived::y in /in/CMsmT on line 3
Process exited with code 255.
Output for 5.2.4 - 5.6.25
Fatal error: Undefined class constant 'Derived::y' in /in/CMsmT on line 10
Process exited with code 255.
Output for 5.0.0 - 5.2.3
Notice: Use of undefined constant Derived::y - assumed 'Derived::y' in /in/CMsmT on line 10 Derived::y
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CONST, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/CMsmT on line 3
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_CONST, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/CMsmT on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/CMsmT on line 3
Process exited with code 255.