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run code in 150+ php & hhvm versions
Bugs & Features
<?php abstract class A { const __default = null; public function __construct() { $class = get_class($this); var_dump(__CLASS__); $r = new ReflectionClass($class); $constants = $r->getConstants(); var_dump($constants); } } class B extends A { const __default = self::A; const A = 'a'; const B = 'b'; } class C extends B { const __default = self::C; const A = 'A'; const C = 'c'; } $enum = new C();
Output for 5.1.3 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(1) "A" array(4) { ["__default"]=> string(1) "c" ["A"]=> string(1) "A" ["C"]=> string(1) "c" ["B"]=> string(1) "b" }
Output for 5.0.2 - 5.1.2
string(1) "A" Fatal error: Cannot access self:: when no class scope is active in /in/iJ27d on line 13
Process exited with code 255.
Output for 5.0.0 - 5.0.1
string(1) "A" array(4) { ["__default"]=> UNKNOWN:0 ["A"]=> string(1) "A" ["C"]=> string(1) "c" ["B"]=> string(1) "b" }
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CLASS in /in/iJ27d 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_CLASS in /in/iJ27d on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/iJ27d on line 3
Process exited with code 255.