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run code in 150+ php & hhvm versions
Bugs & Features
<?php class A { public static $V_A = 'setting_a'; } class B { public static $V_B = A::V_A; } echo B::$V_B;
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Undefined class constant 'A::V_A' in /in/46ELI:11 Stack trace: #0 {main} thrown in /in/46ELI on line 11
Process exited with code 255.
Output for hhvm-3.12.0
Fatal error: Couldn't find constant A::V_A in /in/46ELI on line 8
Process exited with code 255.
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.2.4 - 5.6.28
Fatal error: Undefined class constant 'A::V_A' in /in/46ELI on line 11
Process exited with code 255.
Output for 5.0.0 - 5.2.3
Notice: Use of undefined constant A::V_A - assumed 'A::V_A' in /in/46ELI on line 11 A::V_A
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/46ELI on line 4
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, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/46ELI on line 4
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/46ELI on line 4
Process exited with code 255.